MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, and ClamAV detected it as a phishing trojan. It contains a large number of embedded links, many of which point to redirector infrastructure or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is dafemum.ru.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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=squoosh-o%2527s+water+beads+instructions In PDF document text
- https://cdn-cms.f-static.net/uploads/4413362/normal_60563c5f1cc4c.pdfIn PDF document text
- https://xogepojofaridel.weebly.com/uploads/1/3/2/7/132741214/5a1c27c13877947.pdfIn PDF document text
- https://vokufasel.weebly.com/uploads/1/3/4/8/134872836/kigomotowuzumoj.pdfIn PDF document text
- https://xavixevoke.weebly.com/uploads/1/3/4/5/134590279/9118945.pdfIn PDF document text
- https://zagidesurazobu.weebly.com/uploads/1/3/7/5/137507983/datefeb.pdfIn PDF document text
- https://nimapefakapag.weebly.com/uploads/1/3/5/3/135324130/gugaperab_dujefaletejob_sakopuki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418587/normal_5fe45a281a87d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403940/normal_5fe866dd231ec.pdfIn PDF document text
- https://tomolipuxoris.weebly.com/uploads/1/3/4/7/134708775/3546782.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464524/normal_60542fdedb4ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448746/normal_605db58e42af3.pdfIn PDF document text
- https://pasudavekeri.weebly.com/uploads/1/3/1/4/131437626/ximovizis.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451941/normal_5ff0b8ee687b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473637/normal_605f99318cd89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402718/normal_5ff6620632f15.pdfIn PDF document text
- https://goxanakevixi.weebly.com/uploads/1/3/4/8/134857001/zadebafowuvanid.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/37389e2d-acec-4516-9e66-be8f4de487f5/how_to_list_file_size_in_command_prompt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72be12a7-0813-4add-8e61-5beaa01a7cda/belly_up_meaning_and_origin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be24428f-e909-429f-a1fb-795559c63fa5/11914042465.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03decd31-7df9-4b02-9671-3f9b7ee36bb3/beginners_guide_to_digital_painting_in_photoshop.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_off0000e1f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F3 | 5520 bytes |
SHA-256: 0ecc8a4542cea1896d7cfde86ebcf1e4a3aa0d5d36984c65d38aac563d678e7f |
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font_01_sfnt_off0000f4d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D2 | 10976 bytes |
SHA-256: 82e754fd2ef1e9dd25bf10283bd4ab599b0334ecd759b7286221c9b065d820bf |
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