MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a worksheet, likely intended to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://ponafet.ru/123?utm_term=finding+area+of+a+sector+worksheet PDF link annotation
- https://cdn.sqhk.co/posojuvapono/hidgeFc/nintendo_switch_online_ios.pdfIn PDF document text
- https://cdn.sqhk.co/zubavagi/5WrLSYW/super_7_ninja_turtles_raphael.pdfIn PDF document text
- https://divojalu.weebly.com/uploads/1/3/4/6/134664609/fezirerikivumoriko.pdfIn PDF document text
- https://cdn.sqhk.co/giwitosak/sfhficZ/dixikem.pdfIn PDF document text
- https://cdn.sqhk.co/terasovo/fkgfhfW/lijojinofesusetidita.pdfIn PDF document text
- https://cdn.sqhk.co/zozusexub/jbjbiaS/xiwusozamesam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374022/normal_5fe6944d4466a.pdfIn PDF document text
- https://cdn.sqhk.co/milimewaj/0CJggbY/sql_server_remote_connection_port_firewall.pdfIn PDF document text
- https://viwoseloza.weebly.com/uploads/1/3/4/8/134861971/rurukoramesovim.pdfIn PDF document text
- https://cdn.sqhk.co/rewaloxuruvu/iyiahec/critter_escape_mod_apk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421058/normal_5ff66e2a0064a.pdfIn PDF document text
- https://lonexababite.weebly.com/uploads/1/3/1/1/131163854/rumivivi_wavupe_lejividudotaso.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502833/normal_60321c78be129.pdfIn PDF document text
- https://cdn.sqhk.co/fafojipedul/hcgdIb6/strategy_professor_salary.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://55d63786-14d6-44de-84d0-33f1fb383c44.filesusr.com/ugd/45fd81_2e60c6956561461ab427a50b3a6e9b31.pdf?index=trueIn PDF document text
- https://55f5e71c-5f54-469f-9449-301c43944234.filesusr.com/ugd/bbdb65_39b1ae7a2b8d413a986033528c5c7429.pdf?index=trueIn PDF document text
- https://6f465708-eb37-4ee2-8658-ebeec6cd93ea.filesusr.com/ugd/4bb103_523831d1c27b4844bd25e390bca6539c.pdf?index=trueIn PDF document text
- https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_d54de0600dde47f29c245e26c740a8dc.pdf?index=trueIn PDF document text
- https://e590c0d9-b694-44fb-9862-47327b30d8b0.filesusr.com/ugd/89363e_a0b5ce84b15445b88fecee177fc4d7a5.pdf?index=trueIn PDF document text
- https://6e8b94c7-278c-4a65-9c30-8d61c93a8f31.filesusr.com/ugd/9ff9b8_58a9eba22963467aa32e35343f759bd2.pdf?index=trueIn PDF document text
- https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_773d10d47eb94ac795a683643cf53509.pdf?index=trueIn PDF document text
- https://ac6a5e95-3fab-4d4b-a7e7-0ef4c71e5929.filesusr.com/ugd/32c278_366a2b5e6f1b475fb18d64035f9b09fb.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF242 | 5364 bytes |
SHA-256: 08acfa4ee06c7cf5c4222affcd895d55d94a012ca6524cd11987abdd04fcfb9d |
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font_01_sfnt_off00010498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10498 | 11716 bytes |
SHA-256: a0c70a832f414d2175c6de543efa68ed684d8ddee2d043d1a2265e85fa801e07 |
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font_02_sfnt_off00012cb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB3 | 16100 bytes |
SHA-256: 0dd7d0c48dbe061f2ccc5e08a50837d895141c045517d8888a36ebd168e088c7 |
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