MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to disposable domains and exhibits characteristics of a link farm, suggesting it is used to distribute malicious content or phish for information. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://leonvi.ru/wix?keyword=modern+marvels+corn+worksheet+answers PDF link annotation
- https://cdn.sqhk.co/gijesali/vihCxi9/income_mentorbox_review.pdfIn PDF document text
- http://sovetnik53.ru/clicker_heroes_codes_for_rubiesxvkzs.pdfIn PDF document text
- https://cdn.sqhk.co/pulununese/hnHiez5/balloon_dog_jeff_koons.pdfIn PDF document text
- https://cdn.sqhk.co/vofonowul/ihiUhdW/mk11_new_dlc_skins.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422148/normal_604d9ebf8b294.pdfIn PDF document text
- https://cdn.sqhk.co/badimoweba/b44gjOw/laboratory_report_3_cellular_structure_part_a.pdfIn PDF document text
- https://cdn.sqhk.co/zofizitene/rHjhicF/84988967751.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381294/normal_5fc8b23a6f109.pdfIn PDF document text
- http://pitushok.fun/pineme3eqrz.pdfIn PDF document text
- http://mon-cmbretagne.com/53985697634dbu1i.pdfIn PDF document text
- http://copyrighthelpbusiness.net/64242544477h7i84.pdfIn PDF document text
- https://cdn.sqhk.co/fejisedetu/YQ7hnjf/guess_movie_by_emoji_answers.pdfIn PDF document text
- https://cdn.sqhk.co/fiduzosi/jghYkjj/android_system_webview_app_use.pdfIn PDF document text
- https://cdn.sqhk.co/towevefizub/ngejetv/59311322582.pdfIn PDF document text
- http://100p-f.ru/wortox_guide_dst28hx0.pdfIn PDF document text
- https://cdn.sqhk.co/tokafumotebi/qDfOhcl/balls_drop_diagram.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4504641/normal_5fee541e0029b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403262/normal_6006b73ae58de.pdfIn PDF document text
- https://cdn.sqhk.co/dekawako/EgefQhd/first_aid_beauty_facial_radiance_pads.pdfIn PDF document text
- https://cdn.sqhk.co/migefareg/hSOiegg/red_vs_blue_voice_actor_list.pdfIn PDF document text
- http://nesobaka3.xyz/wivene642y.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001ba96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BA96 | 17244 bytes |
SHA-256: 1b56fb871ff14de1d103fb236fa7f5b36e2945ca0d13c1a5289e9ff6881ee703 |
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font_01_sfnt_off0001f1ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F1BA | 5400 bytes |
SHA-256: 4275c37479102e3c0ee30761a142d0a222816dc12e8dea193fc4b3f64dd7f713 |
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font_02_sfnt_off00020401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20401 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_03_sfnt_off00020c8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20C8F | 13476 bytes |
SHA-256: a28d23572e316696262cf8ff69c99c1ee2f91815028b82bc03db5599c75a37a9 |
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