MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a phishing trojan. The file contains a large number of external links, many pointing to disposable hosting services, suggesting it's designed to redirect users to malicious sites. The primary URL observed is https://crewmak.ru/pbw?utm_term=pdf+file+opener+apk, which likely serves as a lure or initial landing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://crewmak.ru/pbw?utm_term=pdf+file+opener+apk PDF link annotation
- https://ravawesasusede.weebly.com/uploads/1/3/4/5/134517270/3e372478d.pdfIn PDF document text
- https://lalazifesulalo.weebly.com/uploads/1/3/4/5/134502535/filiwoki-gesip-gamebotum-tevipaw.pdfIn PDF document text
- https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/bibidakagigowo-bivaxe-xojavupuwim.pdfIn PDF document text
- https://tilapenudulaw.weebly.com/uploads/1/3/1/6/131607943/4da6bf88ed.pdfIn PDF document text
- https://kezozebajex.weebly.com/uploads/1/3/4/2/134265808/1109518.pdfIn PDF document text
- https://simisidexibasu.weebly.com/uploads/1/3/4/5/134502995/8000768.pdfIn PDF document text
- https://kabibejago.weebly.com/uploads/1/3/6/0/136050231/salivegonunakiz.pdfIn PDF document text
- https://pilumana.weebly.com/uploads/1/3/2/6/132683063/a696df885c7a75.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://taxoxuf.pbworks.com/w/file/fetch/145056132/lyssandra_raid_masteries.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1483700d-5f5c-435b-afa7-a478c56e5a72/42325653859.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83aface0-d6fe-4180-a178-69b7b4e173e2/14755558413.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f053a48f-5989-46d8-b1d3-774110f85100/26161182775.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afaa54bc-9078-442e-8177-5bb94a9e3fba/78644480424.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07279bfe-eb73-42fe-843b-f273d35a489b/55888550976.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81230b6d-de42-452d-ad98-da87ae821533/tolofewaf.pdfIn PDF document text
- http://juxivos.pbworks.com/w/file/fetch/144800862/20962045103.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f76b9e1-9094-48ed-b3f2-b1f52294eb15/how_much_do_nike_air_force_1_cost.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bbc2032-476a-4614-85ec-03732b746239/defending_jacob_book_characters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7dc42275-3012-4cf0-b8da-8395019d8bd7/dell_precision_t1700_ram_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d040fc40-202b-4059-bec8-d60b1bf71444/linaporutujelebonib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b169dd1-563c-46e9-8fc7-f3ec3a2bbaf0/quran_arabic_with_english_translation_abdullah_yusuf_ali.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4ac5c3b-78da-434a-84a9-ec9937847b9f/bagakozixe.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_off0000e840.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE840 | 4920 bytes |
SHA-256: be7634fe0fb1b305033f1aaeb9ebf0e3236cb0c0d8e7bdeed04e91ed7439bc38 |
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font_01_sfnt_off0000f90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90E | 10848 bytes |
SHA-256: 08cb0ecb98aa70df487881e98334840c6773b5236228a88341190d30a60e530f |
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