MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://midufefew.ru/wix?keyword=edgenuity+world+history+answers PDF link annotation
- https://feposejixadolo.weebly.com/uploads/1/3/4/7/134744373/7605048.pdfIn PDF document text
- https://lepekogiba.weebly.com/uploads/1/3/1/6/131637498/88204a1555af8.pdfIn PDF document text
- https://josabinisepev.weebly.com/uploads/1/3/1/4/131452942/kewemufi.pdfIn PDF document text
- https://ropowutajute.weebly.com/uploads/1/3/5/3/135334821/5922764.pdfIn PDF document text
- https://mubuxepuvu.weebly.com/uploads/1/3/1/3/131383429/mexigosupakifekufat.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fa53e508-d88d-41cb-897c-7a5b6f1bfcc3.filesusr.com/ugd/361045_93f33538d9404b5ebc6b38f73efa96e5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/40d9a55e-c85b-4887-b7b2-bafa6ecd02e0/jigevizexukopediradilab.pdfIn PDF document text
- https://4b0cdf75-2e42-4830-99f1-bbdbaec3f661.filesusr.com/ugd/891219_bdc1e37ed0bf44439b13079b39bd4f1d.pdf?index=trueIn PDF document text
- https://c580675e-8888-491d-8c80-3106eaac86fb.filesusr.com/ugd/c8a981_d2f905a902dd4797b4b436e229d9896f.pdf?index=trueIn PDF document text
- https://a2fe464c-28d1-4db8-bb2d-552ad9bc2f4d.filesusr.com/ugd/941bb1_452819c3f2264e59b50e36346e382095.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7aa1f737-0221-479e-a060-53f6676ac68f/10330629128.pdfIn PDF document text
- https://80172413-d145-4b71-b7cf-4a007d76ad29.filesusr.com/ugd/cacfd7_8c2d21a18c1c4a74b6ae40cf64dd5358.pdf?index=trueIn PDF document text
- https://4b4b92a8-4ac5-4030-97d5-af0917f8c077.filesusr.com/ugd/0251f0_07bec69220ef47a6bf073853dd33ef74.pdf?index=trueIn PDF document text
- https://cb2d4818-2134-4ea5-ae57-1bc45cfc4292.filesusr.com/ugd/7e787c_16411b5897614274a8d9f62cab67d48b.pdf?index=trueIn PDF document text
- https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_560710fa0a6c4b3cb37672743117c149.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c78db7e9-7e3f-4611-8067-b0245320d6de/97160939778.pdfIn PDF document text
- https://8d94caac-80d5-4f6d-a73a-04ed47837dc1.filesusr.com/ugd/585b1d_91fb0c805bd24f41897261edd3ee3408.pdf?index=trueIn PDF document text
- https://2aa89031-56ac-4de1-b828-aabe99840ec8.filesusr.com/ugd/cf14a4_56e3be4d253f49f0b37eabdb2eb6e839.pdf?index=trueIn PDF document text
- https://cb47f074-0476-4434-b381-5672a365cab8.filesusr.com/ugd/c46c8a_fd92ff2b05c94fa798f0f790608fad1a.pdf?index=trueIn PDF document text
- https://aa6d2f86-95e2-42cc-897e-6bbd71c3a116.filesusr.com/ugd/78daac_a93778c175824f2db0771c945ae43606.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c750c23d-949d-4219-9522-af9cb7f00458/all_maths_formulas.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
- 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_off0000fae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE5 | 5236 bytes |
SHA-256: 8e95b7ead9fc9583fc580eb8d35cdeffd137107fa3194e07619b713edb918d1d |
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font_01_sfnt_off00010cc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC4 | 11800 bytes |
SHA-256: 760306ae75f29d80666e0cf4bd774bc8988912d4cd14c000d19c6089d6146b3f |
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font_02_sfnt_off00013532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13532 | 16416 bytes |
SHA-256: 5a4b9329c272ba2c2adf0e077058eaf71453aabe958557df6932fe75e73e7650 |
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