MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is often used to download and execute malicious payloads. The PDF also features a link farm pointing to multiple URLs, many of which are hosted on compromised WordPress sites, indicating a phishing or malware distribution scheme. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9762
Heuristics 7
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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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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://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/78167b7baa09e7c5b2c1be183e7f8a73/39776907613.pdf In PDF document text
- http://maskaevlawyer.ru/userfiles/file/weralorubetagekojekava.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/3185697320.pdfIn PDF document text
- http://kaowei.tw/image/files/20210603_105054.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7f07680b1---97763587339.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/37b7be1039848feecf02ddc35c9dcce6/89741891455.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1db47b5918---12062332208.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/87736577700.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/qds85881st0ttin69frjjv690h/sovabebonipoguwijodawesat.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/95636787331.pdfIn PDF document text
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/xajawemuwi.pdfIn PDF document text
- http://mdknoodles.co/uploads/files/pawefu.pdfIn PDF document text
- http://csc010.com/userfiles/file/20210629065653_sc12tx.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8b01c53d48---ramofupozubafekozef.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5323d68d6e---94090422466.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/sorokemiwupora.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606f36fecca97---22170691787.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/defaru.pdfIn PDF document text
- https://fundreamz.com/ckfinder/userfiles/files/89186899447.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e21d70496---nipuzapu.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/wunuberafagotipobugig.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/56165269936.pdfIn PDF document text
- https://www.sibirprokat.ru/ckfinder/userfiles/files/72311906545.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/17003644210.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/a54j546fcn03e2g6je5u0h55mn/xuxefupikepepani.pdfIn PDF document text
- http://fmi.lu/userfiles/files/37548236824.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=most+iconic+anime+openingsPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000182e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x182E2 | 19516 bytes |
SHA-256: b5f5f91fcdc9ab45b42109244d3b03c23471c5a78984807201dc85491ccb1c76 |
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font_01_sfnt_off0001b4b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B4B7 | 9468 bytes |
SHA-256: 2e089ec125800bdaacdbb4044ac80ca5d7e42fbea2dcc750b241082ff2530568 |
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font_02_sfnt_off0001d3be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D3BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001ebd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EBD5 | 10564 bytes |
SHA-256: 597511156d4ff7b0966b93069a394db87e4626223423724e51b595bd7de1a582 |
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