MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to potentially compromised websites or disposable hosting. The primary purpose appears to be directing users to malicious content through a network of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://reclameindex.nl/images/uploads/26552382182.pdf In PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbb531232b9---zatipazusemaxik.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/75398430521.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/90003032744.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/53701521526.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/lajona.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/vetidil.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/fezemefes.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c071b388f42---giribivofirovusixes.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/janokefijumigitulat.pdfIn PDF document text
- http://iphysiology.ru/upload/56102433329.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e147ba320731cf3cfa84e9fba28589cd/rawosigejun.pdfIn PDF document text
- https://psychotherapie-coeppicus.ch/userfiles/files/92739627674.pdfIn PDF document text
- http://designpavelzapletal.cz/files/file/2177506630.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610379f8c4f92---vikedolabuv.pdfIn PDF document text
- http://rayanchem.com/d/files/toretelakizazudikizuwa.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/be83245sh1h29941r4o5a1ui1i/lenapubugadufolovo.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/vefigubefesa.pdfIn PDF document text
- http://gasasosong.com/upload/fckeditor/file/65734664076.pdfIn PDF document text
- https://facades-et-traditions.com/actualites/file/20326791365.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/6272541382.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0aead4a1b7---taxud.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=radioisotopes+in+biology+pdfPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/38b5529347dc8f598df0a3462ee28810/50370601971.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_off0000b737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB737 | 15132 bytes |
SHA-256: b40cec49889c5f650bb0e7c3e4f28e5e33c3326bf43e5b0c5128e19a1e7bef62 |
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font_01_sfnt_off0000dd75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58C | 10872 bytes |
SHA-256: 344bb37535f50b3c39ee5f55d515ac7542760f49e08ec90494362a8f8ba67198 |
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