MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with several heuristics indicating it functions as a link farm. Notably, some links point to compromised WordPress upload storage, suggesting a tactic to host malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://cmf8.ir/data/file/88821360463.pdf In PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/tudapada.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202109070434094752.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/32999900079.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/27763991679.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/abab3d92d2ca3875bc77a5193d814b5a/90467276296.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/jokefosuvividodawuwev.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/fonofuzeterid.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/jekitedidupisixavu.pdfIn PDF document text
- http://zhxndl.com/uploadfiles/files/59046572500.pdfIn PDF document text
- http://a-xian-coat.com/uploads/files/202109060441493335.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/gilesalonawolevirigi.pdfIn PDF document text
- https://funke.be/data/file/625622470.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/28964297392.pdfIn PDF document text
- http://poongdung.com/FileData/ckfinder/files/20210901_89623FD1C55CD0AE.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92062708264.pdfIn PDF document text
- https://avukatwebsitesi.trakyasoft.com/upload/files/logugibuzexukuzikalofere.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/naxot.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/4038766052.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136902738c61---tumivuzesexirerafe.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1849ccfe137be2c050e138c744be42d0/48195803390.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=pc+lock+screen+live+wallpaperPDF 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_off0000d11e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE930 | 17576 bytes |
SHA-256: b6d9abac6c69096fcd5c4554ca349dbea043348e577ccf8f01bfc99a602805d3 |
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font_02_sfnt_off000116b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B0 | 10516 bytes |
SHA-256: d8d657cd425641e68eea1837f878bb798343d9d820e5e2bb650965f7e5ef2e06 |
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