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, identified as a link farm. The ML classifier and ClamAV detection strongly indicate maliciousness, with ClamAV specifically flagging it as a phishing trojan. The embedded URLs suggest the document is designed to redirect users to potentially malicious or SEO-manipulated content, rather than delivering a direct payload.
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://xajibur.ru/wb?keyword=behaviorism%20and%20social%20learning%20theory%20quizlet PDF link annotation
- https://cdn.sqhk.co/puzadowoke/D7I6gds/2020_calendar_2021_printable_free_cute.pdfIn PDF document text
- https://cdn.sqhk.co/tamoravuwera/hifjdjb/jet_ball_game.pdfIn PDF document text
- https://cdn.sqhk.co/zegofurop/bgfhjid/56482606155.pdfIn PDF document text
- https://cdn.sqhk.co/sodelaranu/picK8jb/portal_mods_minecraft_1._12._2.pdfIn PDF document text
- https://cdn.sqhk.co/pabopimi/iujccig/horrid_henry_yelling.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401558/normal_5fd1c50a9d8bd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494432/normal_5ff5bdf796fcd.pdfIn PDF document text
- http://xulodol.mygamesonline.org/46974288252.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzezufe/hjAI2rr/wazikimamexo.pdfIn PDF document text
- http://mozobadijoba.medianewsonline.com/ashton_kutcher_movies_on_netflix.pdfIn PDF document text
- https://cdn.sqhk.co/lepavenujal/c3Mibij/norwegian_cruise_line_stock_price_target.pdfIn PDF document text
- https://cdn.sqhk.co/nogugojuri/4jkgfij/cell_phone_service_training_centre_in_bangalore.pdfIn PDF document text
- https://gedobelega.weebly.com/uploads/1/3/4/3/134375191/bcbb52842.pdfIn PDF document text
- https://zuzumapi.weebly.com/uploads/1/3/4/3/134344149/ledoninolojikozepe.pdfIn PDF document text
- https://sutivekawexebe.weebly.com/uploads/1/3/1/6/131636655/90a1b8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xobibaga.myartsonline.com/amc_8_2020_problems.pdfIn PDF document text
- https://s3.amazonaws.com/dobikasukavu/zusopobadoxotaleje.pdfIn PDF document text
- https://s3.amazonaws.com/lepefi/cie_biology_a_level_past_papers_2018.pdfIn PDF document text
- https://s3.amazonaws.com/risalenefazozo/third_conditional_explanation_and_exercises.pdfIn PDF document text
- https://s3.amazonaws.com/wesezuzuvalirik/zelusimipipabinoxuta.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB12 | 5740 bytes |
SHA-256: 7ac8c26b2237af597f5fc57870301b249224852de10fe5aff9502b3226f44ae6 |
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font_01_sfnt_off0000de78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE78 | 9536 bytes |
SHA-256: db6678c7536a511b2cfcff28d27503761aff8d0985519a4e5c65ab9c5752ba1c |
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