MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://mezovuduw.ru/wix?keyword=compound+events+probability+worksheet PDF link annotation
- https://cdn.sqhk.co/bupewazadufa/geUjdgg/98720568471.pdfIn PDF document text
- http://leftoutclub.com/nexomimuwonisumusepurajoe8snj.pdfIn PDF document text
- https://cdn.sqhk.co/pefisemise/hg12pha/lego_marvel_superheroes_2_switch_eb_games.pdfIn PDF document text
- https://cdn.sqhk.co/sobupepokor/LbijieS/55987286020.pdfIn PDF document text
- http://mixit.info/cirque_du_freak_book_7nds3d.pdfIn PDF document text
- https://cdn.sqhk.co/tazuxalana/jggh2qf/36171119783.pdfIn PDF document text
- https://cdn.sqhk.co/duzoxibuf/ja3nPhg/50543832115.pdfIn PDF document text
- http://znasila.ru/wetilutibunxq7b4.pdfIn PDF document text
- https://cdn.sqhk.co/vozaxodep/vQjeDic/68445451854.pdfIn PDF document text
- https://cdn.sqhk.co/gavonenegave/qYZijhi/23370080973.pdfIn PDF document text
- https://cdn.sqhk.co/xidizizo/gczFJkr/50591353449.pdfIn PDF document text
- http://bilet-pdd.site/ishihara_colour_chartilgff.pdfIn PDF document text
- http://dreabling.online/kazilinisuxinawuvujokir4qo2j.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ac911ccd-a574-46a9-bbb3-57bb927ff796.filesusr.com/ugd/2735c9_ce402a8d2c234f1a8405764fec46e4f8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/19d82c54-3d45-4036-98d6-761e5039eff3/67698061929.pdfIn PDF document text
- https://s3.amazonaws.com/gizonukorad/international_accounting_standards_2019.pdfIn PDF document text
- https://0b609444-e5a2-4a7e-9779-a3c6bae51a53.filesusr.com/ugd/529dbf_af9afbcb832d463c82ef165745f74db6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bd6376bc-4b53-4cef-9193-78e4db9d8a09/estructura_externa_e_interna_de_un_texto_literario.pdfIn PDF document text
- https://ce322291-b3da-4cc2-ae0f-523e25daec44.filesusr.com/ugd/4530da_d8bf5edee54648f8bb0133f5332870b7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e30a2f10-2468-4b8a-8869-30cca4a3480c/parmesan_bow_tie_pasta_nutrition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/621aa016-5463-45da-a6dc-6e805218593e/90606033048.pdfIn PDF document text
- https://78fa80b2-8629-447b-ad63-53e91e8d4948.filesusr.com/ugd/8f02de_851eeb8855f847018e2d35e048bda923.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fuwenoxuzasila/mowudovuxepofagepurogawat.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD511 | 5564 bytes |
SHA-256: 1d5fc360fc335d234841cd047b8bc8a1dee573d1b3d934ae3b14c0840cef44e4 |
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font_01_sfnt_off0000e7da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7DA | 9984 bytes |
SHA-256: fca0f1fa252e2eceb5eb5b5a550287dac8a39fceab206568640f3694e448173f |
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