MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a link farm or phishing lure. The PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9826
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pixomot.ru/uplcv?utm_term=inspiring+words+beginning+with+t PDF link annotation
- http://kondicionery-dolgoprudny.ru/upload_picture/file/misofukenagi.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6ff6a7e3b---52465197836.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f366b7b5e---44801855646.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/473013f8927ab4c6f8458efd5928f2d9/92187584594.pdfIn PDF document text
- http://caratow.nl/userfiles/file/femiwujim.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/v53rg5ndc0nas090bpss1c8rd2/32576206482.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/81148068304.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/pr0jeu28h3rm0rhv20seojtfn2/493172464.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cdaa3189d34---demutam.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce21db4f75---33335325399.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/17941552492.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ff6bf0024bcc0edbfe223f545e24ee1e/xunatimowakuzamu.pdfIn PDF document text
- http://bjjiffy.com/upload/6819447001.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/r6hnclrpc088rb45gmn2288qlg/gagozezitadoxowed.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/xoxepezejireli.pdfIn PDF document text
- https://latework.cz/soubory/fiwazox.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084197ab776c---89967361309.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a45a93f2b77---dafaxoleju.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/61141567320.pdfIn PDF document text
- https://searchkar.com/ci/userfiles/files/8452541376.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bc68e78b8---29611512270.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9eff38256---7718786219.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/ls0tho75gulhrg3dumkrb9lq3h/72118601985.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/d07331d5c8cf4ec3b2959b6cdbd111a1/pejir.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509c9c6938---14930337766.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c484d4cdf58---5927600067.pdfIn PDF document text
- 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_off0000f438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF438 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C4F | 10640 bytes |
SHA-256: 23ee32887434d502eeff5e3860d0effe1e6ab29434ef6027e4db90bfa58022a9 |
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font_02_sfnt_off0001242e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242E | 16952 bytes |
SHA-256: 7807352491a9ae38235813c94434e65f23602e7e6ff0967b4f734022785f9ede |
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