MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external PDFs hosted on various domains, many of which appear to be disposable or compromised, suggesting a link farm designed to distribute malware or phish for information. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The embedded URLs are part of a tactic to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://kedehg.com/ckfinder/userfiles/files/6391060110.pdf In PDF document text
- https://umartravel.com/files/fotivaxovome.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/21106004480.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/fimazegapusana.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/revad.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/penotowevositodilororan.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/92484664688.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7ca6868e0---22935807340.pdfIn PDF document text
- http://anapharmata.hu/ckfinder/core/connector/php/files/77273171878.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/5692636023.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/vuluvuzafuwozibeme.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/28566418456.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/mokoxipijigivizefewik.pdfIn PDF document text
- https://denimder.org/resimler/files/73476315301.pdfIn PDF document text
- http://sattosushi.com/uploads/files/xaxuragisiluwebajate.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/52645334532.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/26a3bba7ccf6e9729179036df9128a7f/gufakidapab.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/guvilimo.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/lusexedurawawozebenidu.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/7gbci3kj8889dakk9nqmbmsu8p/25943012199.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/4c819f3b25deb47c869e1cc28228bd1e/lidajano.pdfIn PDF document text
- http://munnartourism.com/uploads/file/dikinubiviferotaxuzobule.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/mglr5s8cgetkh2esf4u7kru2ur/rotozerakiw.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f87e38e972---66597117.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efb864be77---92795881381.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=download+android+tv+remote+controlPDF 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_off0000d713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD713 | 10516 bytes |
SHA-256: 4ec8b9756b6b0f9cc74c4cb3d6fdee6ef661ac0109d61b7cf8114b8aabaae637 |
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font_01_sfnt_off0000ef05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10717 | 17520 bytes |
SHA-256: 19c3dc32f093d9cab13dcf14578f9f671f30cd7e0269a8d5a17c92af99bc6225 |
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