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 0.9954
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://dafemum.ru/strik?utm_term=how+to+replace+kenmore+dryer+start+switch PDF link annotation
- http://mydenverneighborhoods.com/76912438900aw3we.pdfIn PDF document text
- http://getyourscore.info/how_much_does_a_safety_manager_makeivahp.pdfIn PDF document text
- http://covidcapsule.world/sojofidokosafoxafuku4p7b0.pdfIn PDF document text
- https://cdn.sqhk.co/naxaroja/iegcxzQ/7612982448.pdfIn PDF document text
- https://cdn.sqhk.co/pumafuki/LgdqjcL/31223174087.pdfIn PDF document text
- https://cdn.sqhk.co/zijigemeworu/aNjqgf0/monster_hunter_stories_ride_on_season_2.pdfIn PDF document text
- http://maturibcgj.space/rental_lease_early_termination_clause_examplewesca.pdfIn PDF document text
- http://perfectiona.online/wowedotuvopum95osd.pdfIn PDF document text
- https://cdn.sqhk.co/fedelubu/wGQQifb/30495042782.pdfIn PDF document text
- https://cdn.sqhk.co/wujakegu/iBWghf7/53909160424.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/tezude/85775215794.pdfIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_50a816178cd645d9a91e227799464126.pdf?index=trueIn PDF document text
- https://288c7b4b-0494-48f6-8ee2-9dd519b96b0a.filesusr.com/ugd/a107db_03693223785e448881018cb1cbac2fce.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fosalizuzu/how_much_does_a_samsung_galaxy_note_4_battery_cost.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb0dfc77-5b5f-4899-b7dc-cecceb9b6aeb/besigufifimajotib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b92d67c-2cf1-4091-a9d8-5668a3465b5b/why_is_my_lg_washer_leaking_water_from_the_bottom.pdfIn PDF document text
- https://2c91b947-1dd8-401e-ae91-d595f2f75867.filesusr.com/ugd/0af078_68dd5c2051a84fb68176bae98b1c3271.pdf?index=trueIn PDF document text
- https://9eff4bf0-55a5-42b9-a65a-250f23c32afd.filesusr.com/ugd/80978b_cbf9aa0e16b04dd48d92895c18dc1e88.pdf?index=trueIn PDF document text
- https://7a48fde5-f9d1-4ce4-84a2-8b156d245d18.filesusr.com/ugd/8127dd_9d745a285e25489f8280b16ba2a2ae12.pdf?index=trueIn PDF document text
- https://33c7e2ec-32fc-4676-a642-9d95a4379e01.filesusr.com/ugd/622218_fd74fbe1f51d4e52b10e555d0433f3a1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xopugup/23086423075.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e60f845b-72c1-45a8-9443-b5014e003fff/how_to_say_it_will_be_okay_in_spanish.pdfIn PDF document text
- https://d3df31c7-72fe-42b1-a92e-0723e8ed7a16.filesusr.com/ugd/5bf82b_f4095643e5414c7b82ca260d3bce5f32.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/muwemivumazulax/directv_wireless_video_bridge_setup.pdfIn PDF document text
- https://s3.amazonaws.com/moduluzuxikari/liwevawurirow.pdfIn PDF document text
- https://84d51d8d-5932-465a-b044-5d36dace581c.filesusr.com/ugd/98e2de_5e4343ed7fde4148af94f2de83af569c.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB37 | 5320 bytes |
SHA-256: 853f80ed8ea241260c15c64bd5b82ec124e1cc3b52efd676370288c60be80461 |
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font_01_sfnt_off00010d29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D29 | 10800 bytes |
SHA-256: 8fcd75b77718a43b79a08cf91ecc5acd0f8c06c2c0ff88e819fd3e1695d5de6c |
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font_02_sfnt_off0001320f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1320F | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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