MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it is a link farm and is flagged as malicious by ML classifiers and ClamAV. The embedded URL `https://bologen.ru/wix?keyword=active+physics+textbook+answers+chapter+2` suggests a lure related to textbook answers, likely to trick users into visiting a malicious site. While no scripts were explicitly extracted, the PDF structure and external links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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://bologen.ru/wix?keyword=active+physics+textbook+answers+chapter+2 PDF link annotation
- http://helpverifybadges.com/jurolumidepabazenav6ove.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403531/normal_6004de09a8aff.pdfIn PDF document text
- http://magnetfix.store/labyrinth_definition_thesaurusoqef9.pdfIn PDF document text
- http://goldstein.berlin/minn_kota_power_drive_45_ipilotx6hq3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454438/normal_602d79031812b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409110/normal_6019528f534d6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456116/normal_5fde631d5063f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445743/normal_6025eaa1d9e89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367937/normal_6004588a033ef.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://s3.amazonaws.com/sesijesule/19816003802.pdfIn PDF document text
- https://e57d8632-f742-4524-ada6-9cdf759d9f13.filesusr.com/ugd/b0cb2d_8f48016d89174e92b877414478d5112d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/safenalavojuwu/1607291367.pdfIn PDF document text
- https://8d684a1e-4078-49cd-b336-05adf09473b6.filesusr.com/ugd/2b25e8_e02623b8533c48899f2013ea57353fed.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nevowimo/book_review_format_ks3.pdfIn PDF document text
- https://9fbaa0db-fe9e-443e-b503-3d02ea494c21.filesusr.com/ugd/d417e9_09c4419d41c14af1aba4063549959d97.pdf?index=trueIn PDF document text
- https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_0e8f97f9952b46bfb05108038b15e32d.pdf?index=trueIn PDF document text
- https://314f4944-3dd9-45af-b5ee-fc7f46c963e4.filesusr.com/ugd/73cb9e_89c3ba72f5594307a3287680113dcfb1.pdf?index=trueIn PDF document text
- https://60883313-e483-4213-bdf2-3844198a3b35.filesusr.com/ugd/3ba96b_0465bccdd72749a4b267de334e2d756b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/belapawerezuju/madababegizo.pdfIn PDF document text
- https://ae0ecf71-49bb-4ac4-bba4-d0f2a20d1af9.filesusr.com/ugd/668a47_9221f2aad31943d1a799c15fce9dface.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ribowexulo/1926616750.pdfIn PDF document text
- https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_96bee3fe8b0d49c7a5b157a368899ef3.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_off0000cb57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB57 | 5424 bytes |
SHA-256: b974a0139bf050790d324f708c3142ff4d545a100e48f037cf5c540865f179f7 |
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font_01_sfnt_off0000ddc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC9 | 10584 bytes |
SHA-256: 830afcd5ca96ed95a92125525530839eb6b06bf940d9d88883b3e53c40d7b6fa |
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font_02_sfnt_off00010201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10201 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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