MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristic firings strongly indicate a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/94894c403b2817729932abd1f9c41835/89050986223.pdf In PDF document text
- http://harrisonfamilyreunion.org/clients/868801/File/binabidofuduvuvuva.pdfIn PDF document text
- http://hykylalumni.org/userfiles/38708524674.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c0637cbc8---32739772522.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfc85a9ece---kufirisupewevinawu.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2a3306d803a047a53114a6ffad9326e6/88297235994.pdfIn PDF document text
- http://kccmaul.com/files/files/25487962854.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160829e519e41d---32592081243.pdfIn PDF document text
- http://bruningfoundation.com/clients/9/99/99acc79c432c4c389b364f5b25189af3/File/zafakijozifiximi.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/xiloke.pdfIn PDF document text
- https://webmenuplus.com/images/file/37626813214.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/nlm16vgtkojjji49q1q2kmk48v/futizilepib.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608afa5686e06---71909094627.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160dca62d40c4d---goliratam.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/buwujabusil.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/gelomudasuzafit.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/29204815456.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/jomevidabozabekar.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2cbef16d1---31251290005.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607187c90ac9c---36499402658.pdfIn PDF document text
- https://fizjolech.pl/userfiles/file/6385205409.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/bdeaf5b9ce45dd22046593212d70a347/89568092021.pdfIn PDF document text
- http://ekotronic.eu/files/file/rajativi.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/61722632720.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/po5gankapavlfs5f6bdo787hfo/lusaripilok.pdfIn PDF document text
- http://coffee33.ru/archive/file/girizarizakode.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=girl+lets+dog+eat+her+outPDF 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_off0000ef32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10749 | 10560 bytes |
SHA-256: 0a6935fa022f2f442a3cb9e63eae70f0f0e3ecc8171e48e74e4b564cf8868585 |
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font_02_sfnt_off00011f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F52 | 16760 bytes |
SHA-256: b332a3997f86395ddd7962ccc5c19420329e21026d277331df18e06921d486f1 |
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