MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations or disposable domains. This structure is characteristic of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e287891f5---gamixoweti.pdf In PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/zamofisaramebuzi.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fd82decff---vibopedilavivilus.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/74641803286.pdfIn PDF document text
- http://netmutum.com/userfiles/file/25841901072.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a4adc91cc6f---70753524783.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b216917fee9---3326111502.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779f0b39ad3---vovevenejirosoroju.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad72e7c9a7e---24428225618.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074165476754---barexur.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160776592af8d6---padipixuvibevune.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab025a9b780---12985895309.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/sukazetexaladipopixel.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/1174874449.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/43caf59e2812b58d73b19c1d5e7c699a/77568397991.pdfIn PDF document text
- http://mintaialuminum.com/d/files/jomivemanikin.pdfIn PDF document text
- http://tcurryproperties.com/konadnew/userfiles/file/nanow.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/imfi0fp19tm908pjmbvo5kl4ud/gunose.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/2305591846.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/74a6b74e73d75ba34b568a372e29a242/xagapigaf.pdfIn PDF document text
- https://blugarden.eu/file/2859020129.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5c98cc5bc---16309165382.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/83160173233.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+use+sks+sightsPDF 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_off0000de53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF665 | 17284 bytes |
SHA-256: e93918b506827f2f87f1db909d11f4c942d5b8d9a726dba5be8af2e1edacc64d |
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font_02_sfnt_off0001231e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1231E | 10244 bytes |
SHA-256: c2a49771c6f2a7932436a2fe4089a83caf4e1cf7e245d545189e2126e963e018 |
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