MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate maliciousness, with the primary URL pointing to a suspicious domain. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://vilenefex.ru/award?keyword=adding+vectors+physics+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4474206/normal_602b47607b42e.pdfIn PDF document text
- https://xasirazabad.weebly.com/uploads/1/3/4/6/134699738/7268171.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424689/normal_6006c72b25039.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478146/normal_5fd160ae0c9a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404121/normal_604845735bda2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378164/normal_5ff9fc3b1f9cd.pdfIn PDF document text
- https://cdn.sqhk.co/kaxonavi/gcCehdo/icymi_what_does_it_mean.pdfIn PDF document text
- https://wexivupesowapab.weebly.com/uploads/1/3/2/7/132712225/6473316.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384296/normal_6057f65214c51.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390092/normal_605d7a51723f7.pdfIn PDF document text
- https://niwosegebopusa.weebly.com/uploads/1/3/4/5/134583118/gobokeme_zetobilakarowab_kididiz.pdfIn PDF document text
- https://cdn.sqhk.co/baxoladipezu/hoXiaGL/mavazutoguju.pdfIn PDF document text
- https://cdn.sqhk.co/lewivapawo/RT0MiaU/claw_toys_1st_real_claw_machine_game.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4503033/normal_5fc981e76cb83.pdfIn PDF document text
- https://cdn.sqhk.co/jisokemefaz/bjgjjD1/sustainable_development_goals_indicators_malaysia.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://uploads.strikinglycdn.com/files/28fce902-137a-4b9e-848a-c775af3accd0/sarumaboxidamew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c23d27a-0bc2-4087-8391-6e7dedbab501/55219659404.pdfIn PDF document text
- https://s3.amazonaws.com/tinezedu/stpm_physics_definition_list.pdfIn PDF document text
- https://s3.amazonaws.com/wegugus/pittsburgh_steelers_injury_report_2019.pdfIn PDF document text
- https://s3.amazonaws.com/wakuzidi/58596124799.pdfIn PDF document text
- https://s3.amazonaws.com/petubapizo/zte_z222_go_phone_att.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b87ad0c-1da6-4091-a4bf-4476e72d8fe0/runners_world_run_less_run_faster_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb94c361-9e86-46f3-a4d5-c7035086517a/syma_x5c-1_drone_price.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010b3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3C | 5116 bytes |
SHA-256: afda7f02f450bb83bd69a661dc9f9aaad017b65a48d6a7bc25a788b0a4049f65 |
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font_01_sfnt_off00011ca3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA3 | 11016 bytes |
SHA-256: a2237857e3fe8135df703ac0c9245b29e76aadfda9e1a72d13702f2f3004507d |
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font_02_sfnt_off00014269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14269 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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