MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially malicious sites. The presence of a URL with a 'utm_term' parameter further supports a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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External URI info PDF_URIPDF contains an external URL action
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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://midufefew.ru/strik?utm_term=prisoner+b-3087+chapter+15+summary PDF link annotation
- https://cdn.sqhk.co/jomonufo/ggNjj6v/25587226919.pdfIn PDF document text
- https://cdn.sqhk.co/navimoxa/jbhc1ii/invaders_from_mars_cast.pdfIn PDF document text
- https://cdn.sqhk.co/zivuzigup/ihiNgfi/chevrolet_aveo_2012_manual.pdfIn PDF document text
- https://cdn.sqhk.co/sipebesoxu/CbT1ghp/everfi_module_5_credit_scores_answers.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444117/normal_5ff4dcc42f355.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416302/normal_603eb43a925a0.pdfIn PDF document text
- https://cdn.sqhk.co/kejalupegem/jkgc1Qn/79056627140.pdfIn PDF document text
- https://cdn.sqhk.co/bosesegivu/ckOijjf/real_chess_application.pdfIn PDF document text
- https://cdn.sqhk.co/pewesopefim/hNsRijP/34472493913.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414159/normal_604b4f031ab38.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_f0038231adae405889f316c91c4f5511.pdf?index=trueIn PDF document text
- https://204833c8-abda-4421-8777-5048ee7dd919.filesusr.com/ugd/e30b7a_9640a85f34db4ce39a003a6bee15d036.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c0e7ad08-6164-4eb4-8d49-362db6c1c534/how_to_use_bissell_proheat_plus_carpet_cleaner.pdfIn PDF document text
- https://160e4e15-e27a-4ef2-9b26-f67fc0969a86.filesusr.com/ugd/cbdbb6_017671bf433c412c90f8dd66835f134c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lorifawuvawot/bejulexodod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc5d8334-1bb2-4871-8a52-2e8140c68726/black_and_decker_dustbuster_chv1410l_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccc159ad-c2df-49e8-a149-0eb999d3b250/how_to_thread_bobbin_on_singer_heavy_duty_sewing_machine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65b76227-3176-4ff6-b800-fc05539c2793/english_spanish_short_stories_free.pdfIn PDF document text
- https://s3.amazonaws.com/kuxegu/74122386112.pdfIn PDF document text
- https://d0570615-6cc6-4b78-9a9c-590639bc525b.filesusr.com/ugd/30850e_3eb1e52e10d84bb5aa92100fcd6813de.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/95595ef0-bcfc-4f7a-be20-71dd03b7ca7c/tenafewoletudin.pdfIn PDF document text
- https://be1d055c-b83b-422e-9e68-1bf13cef350c.filesusr.com/ugd/5b1e3c_26f36f7bec12448480950ee0e2c58067.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB4 | 6172 bytes |
SHA-256: 12c00bf584d916a1b721ff5e1764be0217557db736d6d907b62a455d4cd64902 |
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font_01_sfnt_off0000efa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA9 | 10640 bytes |
SHA-256: cbe3807d291a448956fe8973465c06b44c539573278834e63d00c87b12f808bd |
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