MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded links, many pointing to external PDF documents hosted on disposable domains and redirector infrastructure. This behavior is indicative of a link farm designed to distribute malicious content or phish for information. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crophysi.ru/strik?utm_term=foreign+exchange+market+transactions+meaning In PDF document text
- https://cdn-cms.f-static.net/uploads/4369166/normal_5fd0e23646198.pdfIn PDF document text
- https://rebijigubewu.weebly.com/uploads/1/3/4/7/134770847/9478353.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388163/normal_602661dd16ec3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383692/normal_5feebefa1e44d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464852/normal_606c9151abed9.pdfIn PDF document text
- https://dizuvojuxi.weebly.com/uploads/1/3/1/1/131163617/4375136.pdfIn PDF document text
- https://wenojuzak.weebly.com/uploads/1/3/4/2/134265903/9ea5b10498c187.pdfIn PDF document text
- https://basapozixuw.weebly.com/uploads/1/3/4/7/134701575/saliduzudinibid.pdfIn PDF document text
- https://xitodilizunew.weebly.com/uploads/1/3/4/1/134108755/905835.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/figidireki/telecharger_journal_el_khabar_erriadhi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5cf739f-fdb3-4a26-87ea-4bc1cd4e128b/zesixonadidulufulozus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74550127-de67-4e31-b0c1-35c2fe2b0fda/over_the_rainbow_ukulele_tab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c31b17a8-9b59-4689-9db9-78e8a72502b0/athanasius_on_the_incarnation_date.pdfIn PDF document text
- https://s3.amazonaws.com/patotale/bepupebijudo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea48dbdc-d3b3-4f71-8698-0bcbba385054/furaxagigamagi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3543ba69-1ff1-4cbf-a29c-c42817ed34d2/double_atwood_machine_lagrangian.pdfIn PDF document text
- https://s3.amazonaws.com/rojalexipokadaz/wunopapanavuzenadeg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1976e4a8-8906-44aa-ad0c-583c03eb5d03/what_happened_to_rosemarys_baby.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b0f0299-6c94-4c79-87cb-d0a971de06b1/kinemelug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c514575a-e456-4804-aa2c-ab8d2df0815a/how_to_program_a_bearcat_bc355n_scanner.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/066221fe-c128-4fa1-ad73-6004c60e6983/93568286481.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc2e6d4e-5179-4905-a9b6-fbd312cf290f/67320055437.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f0fc5f0-a9b8-4605-940f-6ae9df8e20bb/what_is_solar_energy_called.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d109eff8-ed81-44bf-bf53-c8c2e9591238/is_there_an_att_u_verse_app_for_roku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d20861b1-8cfb-4155-a51d-551bb07a6695/senior_graphic_designer_resume_objective.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_off000108d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D1 | 5268 bytes |
SHA-256: 18d435783493d3b10850ef23345aebec322ac5f944630d64e1dd7ff9f6153a15 |
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font_01_sfnt_off00011a9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9C | 10728 bytes |
SHA-256: cef0dd28c49592d54db8e04f82a3a05629299b3230ba9d66c419971d5e9f08f7 |
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