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 0.9997
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://leonvi.ru/strik?utm_term=comp+xm+exam+answers+2018 PDF link annotation
- https://mefixakiderix.weebly.com/uploads/1/3/4/3/134319494/notiw-xivolibut-benarusoxeri.pdfIn PDF document text
- https://telisawe.weebly.com/uploads/1/3/4/4/134466193/variselosuzali_kalekivu_pekoburanomevi_sajavas.pdfIn PDF document text
- https://domafotenok.weebly.com/uploads/1/3/5/9/135973376/ronazama.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393502/normal_60463ad3e0d4c.pdfIn PDF document text
- https://lerinaxupol.weebly.com/uploads/1/3/4/6/134662503/5268070.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415546/normal_603b35063c761.pdfIn PDF document text
- https://rebagobu.weebly.com/uploads/1/3/4/2/134265419/99e7122b.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/dad5058b-e2a6-4c42-8cdc-150c502ce722/64753979310.pdfIn PDF document text
- https://s3.amazonaws.com/bamepofewalada/maserati_granturismo_convertible_price_in_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de42bb1d-541e-41ab-936c-b898d244b24a/dash_diet_phase_1_foods.pdfIn PDF document text
- https://s3.amazonaws.com/tixeligufokup/evicore_medical_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/wolina/53677471686.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd16a111-13ab-4d89-80dd-aa208521109b/54315876166.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/nupak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63cc29f6-d1a0-45bf-96a8-10f76f86a671/how_do_i_set_my_timex_alarm_clock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fa5ada8-b770-4052-8a62-12f75c617eaf/mawilugorodexuvig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abb9c5e0-87a8-41e6-831b-ab8947f5eda7/39245555642.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a25148fd-021e-4f3f-81f8-c8ad67ee8d7f/wopufibovonomowuvofizobes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7337ab3b-9cb3-4e26-8495-b7a195cd8383/36849239021.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/460ac74b-9439-439e-82f4-24dd9f43230c/fiporudapuzumisetupu.pdfIn PDF document text
- https://s3.amazonaws.com/gajakelegeza/55755538040.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_off0000e3c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C0 | 5520 bytes |
SHA-256: 7d13da7f9a962871c25b5153adc6d4715045ff4ef554bd91ee20c30975431814 |
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font_01_sfnt_off0000f686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF686 | 10948 bytes |
SHA-256: 7c4793335ed82fb4fa3395d486233482475afeb1f228d46f40b9c890ee0c283e |
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