MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'dafemum.ru'. This URL is presented to the user, likely as a lure to a phishing or malware distribution site. The ML classifier also strongly flagged this PDF as malicious, and ClamAV detected it as a phishing trojan. No scripts were extracted, but the primary attack vector appears to be a malicious link embedded within the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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/award?keyword=pdf+epidemiologia+salud+publica In PDF document text
- https://cdn-cms.f-static.net/uploads/4473619/normal_604fa15677f58.pdfIn PDF document text
- https://cdn.sqhk.co/kigimole/hfgeqjb/hattrick_film_irani.pdfIn PDF document text
- https://cdn.sqhk.co/buxifuludo/qIidW1Z/betoxelarudenixe.pdfIn PDF document text
- http://clubstore.pro/vizio_e43_c279snf.pdfIn PDF document text
- http://bestita.space/vilibixifagelikaroxakoy49i.pdfIn PDF document text
- http://chunyoo.com/45615695838tutnk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425760/normal_6022f0c1d22a8.pdfIn PDF document text
- http://itwow.info/voces_de_pelicula_ferdinando_el_toroqytji.pdfIn PDF document text
- https://cdn.sqhk.co/zofizitene/hwNjjaM/business_strategy_2_game.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448995/normal_6026d190d0be3.pdfIn PDF document text
- http://creditpm.com/44763935915igjkm.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474734/normal_5ff0e6fb23d6d.pdfIn PDF document text
- http://revopuvazoxine.22web.org/80776367617.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/4a1ffbbd-29dc-4f36-a5e9-db5b60816f31/kotabokanamabaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aea63161-fbc8-4085-8a53-552d8cd1e972/razunafosivu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6827d6c-2639-4d83-9525-79b1b8895637/weber_spirit_ii_e_210_vs_e310.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25687e1d-175d-4c02-be00-1b298380b28e/zunupafijovifezatijeliloj.pdfIn PDF document text
- http://mudumipa.epizy.com/the_fountain_tarot_guidebook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7453a932-7ef5-4d5e-ac27-988b8abd5ac8/18403347944.pdfIn PDF document text
- http://lagawutek.epizy.com/breadman_tr520_manual_en_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1507b6a4-1c29-46c3-9f01-ef5dc52aa517/gutewu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d66654a-4649-4489-ad93-487e7c5b91df/76736069139.pdfIn PDF document text
- http://zoforex.rf.gd/festivals_and_celebrations_around_the_world.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16229f7d-2a27-4511-b36b-ab42017a33e9/vuwexebipinozibefuwu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d6bdc03-67de-4785-a487-c1a28dfc0a2a/nomifulerijalidab.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_off0000ddf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF5 | 5520 bytes |
SHA-256: 9cb152e65f166e6838c2d8e73c51e04d7ada10f118e71cd829ae0efa8904aa0f |
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font_01_sfnt_off0000f0ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AE | 11428 bytes |
SHA-256: 51281d7bba78854b45e5ecb006790f6d39f07367ad6f9086d6a5e29f71b971c1 |
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