MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, indicating it is likely a phishing or malware delivery attempt. The presence of redirector links, specifically to 'crophysi.ru', suggests an attempt to lure users to malicious sites. The 'SE_MFA_LURE' heuristic indicates the document may be designed to harvest credentials or abuse multi-factor authentication, a common tactic in phishing campaigns.
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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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://crophysi.ru/wix?keyword=the+flash+games+for+android In PDF document text
- https://cdn.sqhk.co/zoluxoni/gihhZid/pilivarizaputizipino.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427538/normal_60541cdc6a128.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368237/normal_604d1808f0dfc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417653/normal_5fd3c9be0009d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445114/normal_6036b414102bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391008/normal_602b121f4f24f.pdfIn PDF document text
- https://cdn.sqhk.co/votawusebak/Tjgidge/trackaddict_obd_video.pdfIn PDF document text
- https://cdn.sqhk.co/vatuliwa/hRicghW/innovagoods_3d_ubik_magic_cube_puzzle.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447669/normal_600e68eba379f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379029/normal_5fe745e8c2f4b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413978/normal_602d755b91b32.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/47d22776-329a-48e0-ad87-4fe61da2a4a9/33516133294.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68f761e7-1099-4b4a-87d8-ed6ba3a58a74/rawosagogoz.pdfIn PDF document text
- http://zumaruzafomadik.rf.gd/izotope_insight_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5f257db-1b24-4cc9-ade2-13b0e8a5eceb/electrical_engineering_technology_courses.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9e4d2cf-298d-4e64-8b75-05e36989ef4d/a_court_of_wings_and_ruin_number_of_pages.pdfIn PDF document text
- http://wabalegawamiraj.rf.gd/93952264926.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b626ef4-04d9-4571-8a51-ab3ef6fdb9dd/how_much_does_pacsun_pay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87a3ba89-29ac-4c89-8eb2-2eff9616b6bf/workpro_brand_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87f19478-72d4-429d-b617-47f3675252e3/memejadukireganobowu.pdfIn PDF document text
- http://zazupixuwup.rf.gd/vonuw.pdfIn PDF document text
- http://resiwilan.rf.gd/atrial_septal_defect.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_off00025574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25574 | 5268 bytes |
SHA-256: 3bea8b16296556952eb591c0edbfb3455b186d0c978704c3a58a269db7a28dcd |
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font_01_sfnt_off00026734.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26734 | 11604 bytes |
SHA-256: d3dd8cf5d6d7738aaab3833abb85f347f3374f4e3da30bfb3c8f524e2778c727 |
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