MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, including detections for malicious redirector links and a link farm. The document contains numerous embedded URLs, one of which points to a known malicious redirector, suggesting an attempt to phish or deliver malware. The presence of a large number of links on disposable hosting further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=what+power+would+i+have+in+the+darkest+minds In PDF document text
- https://cdn.sqhk.co/nezerozara/wQghhjy/tirakanasalokiwavuziwa.pdfIn PDF document text
- https://cdn.sqhk.co/nifijagik/mibKzii/78173188232.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494681/normal_6013cb9179802.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374704/normal_60000c647d0f7.pdfIn PDF document text
- http://disconto50.info/621007499223ax63.pdfIn PDF document text
- https://cdn.sqhk.co/baxoladipezu/hdpZYij/zugagupunajuxevok.pdfIn PDF document text
- http://mailedflkf.site/povorimhnxsd.pdfIn PDF document text
- http://urott-hu.com/2014_ap_english_language_and_composition_free_response_question_2_essayvuzq8.pdfIn PDF document text
- http://lavka-karamel.ru/mexalswe9z.pdfIn PDF document text
- https://cdn.sqhk.co/xegogeji/Vgihajb/data_science_and_big_data_analytics.pdfIn PDF document text
- http://futup.ru/champions_league_bracket_2020_printable2c0yt.pdfIn PDF document text
- http://itdiscount.info/87511784346d7j1s.pdfIn PDF document text
- https://cdn.sqhk.co/wetilusogaki/3eAhatc/77394035389.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://8964868a-aef6-4da0-9a9b-29de7c28e0c5.filesusr.com/ugd/b910ae_1452369e40cf4768b29f6432c90d200b.pdf?index=trueIn PDF document text
- https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_fe055ae661834819bc7c45c0cc08ef89.pdf?index=trueIn PDF document text
- https://2dcb0092-dd22-4cef-90c1-8c398f802bb7.filesusr.com/ugd/ff3115_51cce3da173246d7b82e122cf732084d.pdf?index=trueIn PDF document text
- https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_bdf7ed26d93d4c67a160feea7bb3ac0a.pdf?index=trueIn PDF document text
- https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_0b41c457ac044df782f78549e6f51e93.pdf?index=trueIn PDF document text
- https://254a6a59-343e-4b7e-907c-c4819e171fff.filesusr.com/ugd/decf6f_af0618ddc147402db659443f31c09abc.pdf?index=trueIn PDF document text
- https://23da7c74-6e14-424a-b22a-901aa35eafb1.filesusr.com/ugd/9cc572_803f75c0b965454880e0dc2deb51c2bb.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB90 | 5312 bytes |
SHA-256: d8f94683bf99cb52f7f69f3e21cb14ebc3f8250c1de876b5bfe6f298888fe755 |
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font_01_sfnt_off00010d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7F | 11576 bytes |
SHA-256: 3d6583d62b3ac156fb52d69b89f2dafecdac1c2b09b45c03c7fe8edc4abe22e7 |
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font_02_sfnt_off0001345b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345B | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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