MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install lure. 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 7
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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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://seumenha.ru/123?utm_term=tor+browser+latest+apk PDF link annotation
- https://pomaxobizo.weebly.com/uploads/1/3/1/1/131163853/gulewisu.pdfIn PDF document text
- http://sunakijabe.sportsontheweb.net/supercritical_boiler_design.pdfIn PDF document text
- https://sebiwijojemobod.weebly.com/uploads/1/3/4/0/134097571/lokojifew-dogajegapedi.pdfIn PDF document text
- http://zesenadozefut.sportsontheweb.net/banking_diploma_books_free_download.pdfIn PDF document text
- https://xixezowipena.weebly.com/uploads/1/3/5/3/135341666/0c2b79.pdfIn PDF document text
- https://duzufekiwavana.weebly.com/uploads/1/3/4/6/134609718/vafuvivuveg.pdfIn PDF document text
- https://fatomokoke.weebly.com/uploads/1/3/4/0/134098041/busijesuzot-rabarawiw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485935/normal_6053d69687de2.pdfIn PDF document text
- http://nibajafij.medianewsonline.com/dell_latitude_e6430_refurbished_review.pdfIn PDF document text
- http://mufosubofamar.mywebcommunity.org/15648300834.pdfIn PDF document text
- https://fawukudaboguris.weebly.com/uploads/1/3/4/3/134353338/kopapum.pdfIn PDF document text
- https://kikosezuzo.weebly.com/uploads/1/3/1/3/131378972/1986008.pdfIn PDF document text
- https://wetifojijebene.weebly.com/uploads/1/3/4/4/134474841/b69a962a20de.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485443/normal_605692f493bf1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495846/normal_600f45f814cd4.pdfIn PDF document text
- https://lafuxekezijunu.weebly.com/uploads/1/3/1/4/131406487/8721268.pdfIn PDF document text
- http://fidekeleko.medianewsonline.com/what_is_pellon_made_of.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mojigoka.atwebpages.com/accounting_cycle_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a800467c-291a-421b-9008-8b6751e21325/69821827085.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/774c718a-c3b5-4fcc-87de-11e2441201dd/morutafos.pdfIn PDF document text
- http://kepewitibafef.myartsonline.com/wiritiluteforarusexumomo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63cbdcc7-fd02-4b2b-baee-9b2d5311d1f7/ross_stores_opening_back_up_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29e11264-326f-492b-92d9-539269183820/getixawowaluvus.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_off0000f5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AA | 5060 bytes |
SHA-256: cc0c76929b9f096a7f1ca3fdcd7d2b895292e1ffb653b184a44dcf84b60c0099 |
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font_01_sfnt_off000106fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106FD | 10516 bytes |
SHA-256: 57859bb671fcae0bff2010100162bb904de6cea88509fc340cf3864a418d5b59 |
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