MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to other PDF files hosted on various domains. Several heuristics indicate this is a link farm, with some URLs pointing to compromised CMS upload directories. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://accu-split.com/userfiles/files/sewagitalewasora.pdf In PDF document text
- http://akinmedikal.com/uploads/file/popexatuzozifapupu.pdfIn PDF document text
- http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/29822115356.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/rirajixixe.pdfIn PDF document text
- http://yngc.ru/admin/ckfinder/userfiles/files/tidutedokiximawefaneke.pdfIn PDF document text
- http://goldcoil.com/uploadfiles/files/pikagisoguwuxomubixajuje.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/4fu0u9op5cafq7118jdfhnht4k/mopibofenonefoluzudesol.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f2312d76d744c605a77fec71c049f2ba/weginebukifenoxojujeb.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/53de2ca767e35aadd9cd74a09afeb5c8/pubuxi.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/bavifoxegunigu.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/ligoxewowewun.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/19405831736109104a74eef.pdfIn PDF document text
- http://beveragesgs.com/userfiles/file/sufaxu.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/2ffc5bcabe5516b8341572b39deb0709/gupotukuvepalob.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/kudefodeguka.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae43e2824d8---rulazoviwis.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7eec1fdfc---59766360002.pdfIn PDF document text
- http://mxag.com/upload/browse/file/55633339199.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/welowop.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085681a8f508---garori.pdfIn PDF document text
- http://morgancountyoh.com/userimages/28441367612.pdfIn PDF document text
- http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/14287691714.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/ledorudepozesarataga.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=christmas+shopaholic+pdf+free+downloadPDF 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_off0000da99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA99 | 11000 bytes |
SHA-256: 7878a19b61f4b1fff3b685a898989d9f8dbfc2c09cbfe3101540d9b6f3aeeff3 |
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font_01_sfnt_off0000f411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF411 | 17920 bytes |
SHA-256: c5b199ae0925afacb86dc1422f6ba5aad1c5830d73a238e42a6e1e4ab529e5f4 |
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font_02_sfnt_off000122b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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