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 0.9997
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/wix?keyword=im+essentials+questions+pdf+reddit PDF link annotation
- https://sivikowililip.weebly.com/uploads/1/3/4/5/134599649/5394ed6e2fd.pdfIn PDF document text
- https://famojiwogupoj.weebly.com/uploads/1/3/2/3/132303340/bfebaad4cdd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421473/normal_605eeac9e7dae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419640/normal_60358a8da026c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450147/normal_604a937cb430f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419430/normal_606576869668f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391634/normal_6014e1246f97e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489057/normal_606d0e3ce8140.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451927/normal_603c2162a67e8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445869/normal_6001cd2c2aa76.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421944/normal_60318d2f6d625.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_f1c76761d94f45d382d442fa85cb4cb2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ec1a203e-a851-4a7d-963d-8b986effc7d7/how_to_use_a_whirlpool_cabrio_dryer.pdfIn PDF document text
- https://033f1a72-e514-447f-b44b-9d234b37386c.filesusr.com/ugd/f05202_3b65ced3c08f4ac2aa3983697d2ab387.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/687e71cf-fca7-4fc6-ba07-e3ac062ddc7a/compare_and_contrast_essay_topics_5th_grade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e91115a-cf88-47cb-b596-f43380b12b0b/81365479258.pdfIn PDF document text
- https://e33362eb-94ba-4427-a888-6f4863169a18.filesusr.com/ugd/36ce96_7069ba7033954807a876223647b1a4f4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e1965b46-8942-46ce-a650-052fa0b376b2/godaniju.pdfIn PDF document text
- https://320f262d-053d-461a-9009-498fa3b044f5.filesusr.com/ugd/8e680a_00323285b35e4df6ad90157122449f95.pdf?index=trueIn PDF document text
- https://bf5f3f24-cfb9-4aec-9f01-83e6d863dc5b.filesusr.com/ugd/1f4526_bab00637786841a6aa3247ee9b1e385c.pdf?index=trueIn PDF document text
- https://5f98d79b-b704-4ecc-a618-200e52db7f79.filesusr.com/ugd/d1a5b7_732c9f66f88e49899dedf47e2f8a88d8.pdf?index=trueIn PDF document text
- https://18cb0a1d-3822-48a5-9ca0-56465202bc9b.filesusr.com/ugd/96564c_b55f87ae1ccd4d89a5e71ea17cce0089.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_off00014f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F05 | 5248 bytes |
SHA-256: fec560fb22f83b8d52f44fab9352e63e1eaec2a9ecd7d645db4d77ec187e7e75 |
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font_01_sfnt_off000160c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160C4 | 11192 bytes |
SHA-256: 990cece34b0ea9a5efdcc46809e30dd7e474ad80deddfc9ea0ecd2b3d9b0c47d |
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