MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically a phishing or trojan delivery mechanism. Although no scripts were extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
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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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://jumiwimov.ru/strik?utm_term=inorganic+chemistry+best+book PDF link annotation
- https://cdn.sqhk.co/lofakekaf/iPHpjcu/60418837050.pdfIn PDF document text
- https://cdn.sqhk.co/zupuguvawaj/eigieii/ninja_foodi_air_fryer_recipes_chicken.pdfIn PDF document text
- https://cdn.sqhk.co/wejafivelij/bhehaRO/slo_mo_camera_app.pdfIn PDF document text
- https://cdn.sqhk.co/remokuvupen/Ydgcgf6/games_offline_free_download_for_windows_7.pdfIn PDF document text
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
- http://strgb2.ru/rasujew7hcqz.pdfIn PDF document text
- http://zespodsvetkoy.site/taken_full_movie_in_hindi_download_filmyzillau0mz2.pdfIn PDF document text
- https://cdn.sqhk.co/remimidotomi/iehbLjb/video_maker_photos_with_song.pdfIn PDF document text
- http://instasurprise.online/how_to_read_the_gdp_reportojmgb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://59b17237-83b3-47c6-9d40-f547da5b0434.filesusr.com/ugd/827194_a09e12ab6c0b4c91a548480475f8b7bd.pdf?index=trueIn PDF document text
- https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_91b5de114caa4ac1a6c9508a1ec099ba.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/69141726-7d00-48d7-8408-d164a161ffc7/54750683003.pdfIn PDF document text
- https://1fc3e790-19e1-43b7-bae7-d09a953f51fe.filesusr.com/ugd/2c608b_71709b3e4e6e4bbdaa5aa4f28ea0f983.pdf?index=trueIn PDF document text
- https://a3de454e-1598-42bb-a259-4eb69c42f179.filesusr.com/ugd/fb5067_0aa70d627014484fbe0fe99d87989b0d.pdf?index=trueIn PDF document text
- https://fab88ded-2f12-46c9-b6ec-f290036286cc.filesusr.com/ugd/cce69c_830a0e6a49724c5183789d780bd57295.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/07223cae-b92f-4aaf-a131-0dbcd0deb78f/lincoln_and_guba_1985_citation.pdfIn PDF document text
- https://c3373aeb-ed74-4f2d-b631-fa679e0a3f6f.filesusr.com/ugd/cbe7f7_84099c77372043009faf9705b4298f5a.pdf?index=trueIn PDF document text
- https://9334512a-4df1-45dc-8804-f0fa1d9e2a3d.filesusr.com/ugd/9466eb_ac9e8338e4e041f38101f4b81e4c80ce.pdf?index=trueIn PDF document text
- https://1fd079ea-3156-4ae8-a0b4-6153e0b529c5.filesusr.com/ugd/e66bf7_828cffb9c3c04106bedf41b7c7a2cd0f.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_off0000eae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE0 | 5424 bytes |
SHA-256: 8e9723377482809e8a893337ebebb23ecfaebe9d1b6fc2b3746e61511371ab81 |
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font_01_sfnt_off0000fd37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD37 | 10552 bytes |
SHA-256: 94d35d912f134fb81fe39b2c597bfb3c14cbef6104b2fb31dc9bec2d53179bc9 |
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