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 0.9998
Heuristics 6
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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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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://zajinet.ru/strik?utm_term=what+are+some+examples+of+contrast+media PDF link annotation
- https://cdn.sqhk.co/bezorufuv/zibibid/bmobile_png_promotions.pdfIn PDF document text
- https://cdn.sqhk.co/minamojazi/jhaidgc/music_quiz_90s_with_answers.pdfIn PDF document text
- https://xereritotof.weebly.com/uploads/1/3/1/0/131070340/10867a91.pdfIn PDF document text
- https://petapizegu.weebly.com/uploads/1/3/4/3/134327096/af7a57.pdfIn PDF document text
- https://zumaboletafu.weebly.com/uploads/1/3/1/4/131454272/d188007a1d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486365/normal_604174ff9128b.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/Jjfhbhi/bemitegimixaxedekiniwiva.pdfIn PDF document text
- https://xibabajawaxas.weebly.com/uploads/1/3/1/3/131398380/1cea00bdc.pdfIn PDF document text
- https://biwusegunaji.weebly.com/uploads/1/3/4/0/134096831/3249623.pdfIn PDF document text
- https://tuvexora.weebly.com/uploads/1/3/4/6/134618292/6736272.pdfIn PDF document text
- https://cdn.sqhk.co/ladowomorik/hdg9Njd/vipolek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411921/normal_604eb880166e1.pdfIn PDF document text
- https://malitorenifavo.weebly.com/uploads/1/3/4/0/134017021/bidanede.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b92dc2ba-6a4e-4954-8473-d7dd8898b5e7/samsung_scx_3200_toner_chip_reset_software_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/662297f0-4f46-425f-bcaa-6478b34e0c80/72665389829.pdfIn PDF document text
- https://2e81f42f-67f9-46a9-89e2-a5f3ab3b03ee.filesusr.com/ugd/f138f5_49c0c45b0de943a7a4ede69a4d312bf9.pdf?index=trueIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_122a93c1b9b74c19a0937389e400eef5.pdf?index=trueIn PDF document text
- https://5c54d0bb-9de8-469b-abb1-33232a952ba9.filesusr.com/ugd/370e3f_d6ef2c8e908443c9ad14b5bdeec6fc76.pdf?index=trueIn PDF document text
- https://c7fb3737-a2fb-4e06-b71d-f78b648bb0a4.filesusr.com/ugd/a9248e_8da19618a862466ebc2c6a7bc9eb1933.pdf?index=trueIn PDF document text
- https://006b50d4-ad2a-4261-8279-34542eb0d7b0.filesusr.com/ugd/a640e9_7c7fa960c635474286f963aa8339f1f6.pdf?index=trueIn 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_off0000f534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF534 | 5476 bytes |
SHA-256: b1f5ec4f79205a24e73c73f4dbf38a1257998de43fb3cbf4f8e481726f09ccd4 |
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font_01_sfnt_off000107ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BA | 10672 bytes |
SHA-256: 1499002e09982bd3356ac38a8b8d09b8ca9bfb021c6a54ba1f615d9ea2de5098 |
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