MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically indicating it's a redirector to malicious infrastructure. The embedded URLs, such as https://dafemum.ru/wix?keyword=the+gravedigger%2527s+handbook+summary, are likely used to lure victims into downloading further malicious content or phishing for credentials. The file's structure and the presence of numerous links suggest it's part of a link farm designed to distribute malware or facilitate phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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/wix?keyword=the+gravedigger%2527s+handbook+summary In PDF document text
- http://vuxiparami.22web.org/1791632104.pdfIn PDF document text
- https://cdn.sqhk.co/vakanaju/UwJbbnU/4683432601.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459780/normal_600298f37c8e3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376372/normal_5fc7e6548f8f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393508/normal_5fd0a6cab06c3.pdfIn PDF document text
- https://cdn.sqhk.co/jutusaxibu/aibe1I7/fapisuwojezujivij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458417/normal_602d6860ac3aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412584/normal_603cadba3ce19.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/376d38d2-014f-43b8-b3f1-b9fb2ffa2e10/pasta_boat_broccoli.pdfIn PDF document text
- http://fabupumow.epizy.com/what_influence_did_the_us_have_in_latin_america.pdfIn PDF document text
- https://s3.amazonaws.com/jifesu/33810928505.pdfIn PDF document text
- https://s3.amazonaws.com/rirusozo/dowdupont_inc._annual_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bf87539-d063-4976-9df2-11eaa43cb048/tinopinoris.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff332300-cf4f-4fcb-8ea3-d6a11d2e0f7e/98341255387.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02ea91df-4fd3-4ef3-b425-99530e179b6f/macbeth_act_one_scene_1-3_summary.pdfIn PDF document text
- https://s3.amazonaws.com/nolarifaforuxop/54496485179.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e69683dd-2309-43b2-a66a-e83532076d80/45266437683.pdfIn PDF document text
- https://s3.amazonaws.com/dukavunivifa/suwuwufupazadotawar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9d78c15-255a-41e5-80bc-6736be4869f8/sapumezudekibizuwimep.pdfIn PDF document text
- http://wevosowenafa.epizy.com/cub_scout_rank_uniform_placement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3330aa51-86c9-4ca3-a75b-1c86ea93eaca/domud.pdfIn PDF document text
- https://s3.amazonaws.com/kavugusepe/hp_laserjet_m1212nf_mfp_change_cartridge.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_off0000f0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DE | 5556 bytes |
SHA-256: 3f46bf9a23f19b6bc65eed4a9585c9ad6428ad089fb75acb8285f1f3b6aefadd |
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font_01_sfnt_off000103ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AD | 10000 bytes |
SHA-256: 27c6d1b4d44bf91e025b1deeaf6711cd4320e7f0f357b1050ad8eb612b19687f |
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