MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm designed to distribute malicious content or lead users to phishing pages. The presence of these links indicates an attempt to leverage external infrastructure for malicious purposes, likely as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4037
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c939e3b2d1---5793936706.pdf In PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be88a5e9ace---fezaduvibaromotekagujoga.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/ukkqa7cgs8tmp32sct6auuukdn/xanusudiwijunisomuxu.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086214d011d7---20081907588.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/73079176886.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccaea54d27---83230580837.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/a3bfcd3a5e28f498fe05f7e1dc621fb0/dofuremavi.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/5f6903b232cf5cdce0a2eb1909e73d83/bupegiwosolelap.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090f2d2de68d---16438140247.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096efc8d97e9---visalanunovixeb.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ba51cfd79---69633657005.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/5a34c065fe922e05d06646009f4396ed/newekuzunezes.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc72853502---26413298903.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/gumexibixuluxaliri.pdfIn PDF document text
- http://atomleasing.ru/media/File/57760462706.pdfIn PDF document text
- https://mumegram.com/userfiles/file/29830808218.pdfIn PDF document text
- https://bloomeng.com/uploads/66058659244.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/300649595045.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b1abe9e9b---jitusat.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/ceca9f0354bbbe0cea9ea1d2d1e2ff0e/sunifomofager.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f24f68a2db57928f6f22465f4a16f76a/58411683198.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=types+of+blood+houndsPDF link annotation
- 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_off0000e653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE653 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE65 | 16112 bytes |
SHA-256: efc7ab106ec5d3dab4799179b99d4f683362220602043c7dc7f47cb0ca7e64cd |
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font_02_sfnt_off00012813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12813 | 10460 bytes |
SHA-256: 51674e8db134b4493bd600716bd45989332e9235fe807758454687ba44487b1e |
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