MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many pointing to compromised WordPress installations or raw IP addresses, suggesting it functions as a link farm to distribute further payloads. The presence of embedded JavaScript indicates an attempt to execute code, likely to redirect the user or download additional malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/baad7a40f8753e005ad5cad43b4116c4/fojisitof.pdf In PDF document text
- http://www.peretprod.ro/content-images/file/48790590508.pdfIn PDF document text
- http://firegallery.ru/img/upload/42805406523.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/a5cd0bc047f8904f00dbb59e481763e2/dazowa.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/budumuwux.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607cff02d9159---54152649641.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16079ba72d4fa1---72036710297.pdfPDF link annotation
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094dbc4c9db8---27181331838.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4aa1459794---60491570787.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/68oobr8tk3boub6csup87geog8/tepakesoreke.pdfIn PDF document text
- http://rheumatology.instituteupload/content/file/89674467904.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-6/file/wojuruzafotusuminijuged.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/70952ceda879b47f0a9ed8f729d65c75/dajojujobevekutif.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/sawuvapibinup.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/m6drsbh0to486j7q2gokppj3u6/90014128581.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c980fbd578---wosozawajorobudu.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/9c8b59d63485cf824fd68a78f2cfc3b3/femukefufalelemigi.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df2880bc74---51890648805.pdfIn PDF document text
- http://starlightcelebrates.org/clients/4/43/43e9139217482d7666ce300faf566241/File/25479270617.pdfIn PDF document text
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/c32c5e4175963861cb17e334356c289c/44843100939.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/fuk76ji1qf7cb050vid7paktq2/pawav.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/d8ad8f7e07667c0f2349553f8bdcc485/fiwelixegexigasodibo.pdfIn PDF document text
- http://digifast.cz/userfiles/viwumupekobabuvarubozod.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/94380404637.pdfIn PDF document text
- http://gemculture.com/userfiles/file/21342263919.pdfIn PDF document text
- http://mahkotacare.com/tmr/userfiles/files/xufabori.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/56fec5304c0c7d95a445da5f27711fd9/zemovinafenirivuwedosu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=circle+theorem+exam+questions+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC391 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA8 | 11264 bytes |
SHA-256: 41c33cad14853b72ddeded9387d0b6dad802f8cd9b3ce449a5659fb5eaca6eb5 |
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font_02_sfnt_off0000f5bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BB | 17544 bytes |
SHA-256: cde56546a7c11e13cb374d8c65fdfc35409d854eaede3f16dfceef7cdac1034a |
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