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 0.9996
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://maypoin.ru/wix?keyword=doing+right+hebert+pdf+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4392854/normal_5fe852af3f13f.pdfIn PDF document text
- http://zuviferufudufa.iblogger.org/great_writing_4_great_essays_5th_edition.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385197/normal_60504d508770e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383804/normal_5ff2abea440c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474759/normal_6024a56f1d37a.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/98128361-6b77-4ca0-b9ec-cc8565606a80/vuwejebifadema.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4368c2d5-d9f1-429c-86dc-50c18af5848b/9301765757.pdfIn PDF document text
- https://d0275d90-c5b4-4c72-b581-d0e2b62fc6dd.filesusr.com/ugd/ee54da_a2b5c4bce6964432801c3ff44f50e341.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c207da8d-58d8-4272-bb4a-1dac21b5f02b/the_grinch_who_stole_christmas_the_musical.pdfIn PDF document text
- http://nixesezamag.rf.gd/mipisibib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6fd81dd1-931c-4326-aa3d-c9c99295f473/is_final_fantasy_15_worth_it.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d00e3f90-fe2b-4c57-98b5-e93ce58aa7ab/88442289119.pdfIn PDF document text
- http://winovewivigo.rf.gd/51792691962.pdfIn PDF document text
- https://13ea8442-998f-4f14-ba3b-7f37e53a414c.filesusr.com/ugd/008a9f_4426e642d25a4ad8a9a1bfd6288a629a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3a907db7-1d46-4e44-8ee1-f18034dc7c6f/98888188115.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14d67a3c-035c-4e9e-9f4f-0f35797d72ca/grade_4_grammar_lesson_9.pdfIn PDF document text
- http://mimiwuzoxul.epizy.com/7868533301.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19ccd065-1fd1-43ec-883f-ea180fc18717/under_the_dome_age_rating.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24f720b1-2f4a-4e34-8b59-682a237d8f93/90529796677.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03bc2380-9600-4987-86c4-5b536076bbb2/how_to_turn_on_holmes_heater.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59b6a56c-121b-4cad-a9d4-1c442418356f/the_100_season_4_episode_10_wiki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8849b382-e79b-4653-9303-18fa890a00b4/how_to_cut_letters_with_a_plasma_cutter.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_off0000d1a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A1 | 5356 bytes |
SHA-256: 64a490ca2749fbdad26aaf230db8a357d9fdb1d6439b6451eb5e95c3c63b172b |
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font_01_sfnt_off0000e3e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E3 | 10208 bytes |
SHA-256: 36150dd3bc44dff642d4311862bf752d129ccd757dd016706ae52595273ee8d1 |
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