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://dafemum.ru/wix?keyword=sketchup+8+manual+pdf PDF link annotation
- http://pidopefajo.22web.org/industrialcraft_2_beginners_guide.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kotodur/fios_one_remote_wont_pair.pdfIn PDF document text
- https://s3.amazonaws.com/figidireki/barfi_movie_hd.pdfIn PDF document text
- https://47e244ab-6b1f-4ae7-97e8-86de5b619f9f.filesusr.com/ugd/e1d12c_b0b82a6c0a494bc6a155b0178433d5ae.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9665a86c-33b0-4c1a-b763-045691d2a21e/57947176227.pdfIn PDF document text
- https://s3.amazonaws.com/fofeguj/where_does_avid_application_manager_store_s.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6218f4a6-fce8-41ba-b0aa-4097c8e02de1/1998_chevy_blazer_transmission_fluid_type.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1fa473ab-2b2c-4395-8120-764c44cd8a42/90195001434.pdfIn PDF document text
- https://48bd7725-9370-4d18-884e-e75d7b70c9c4.filesusr.com/ugd/f241d9_fcae7e6a4eb64f45986c5f0ad2258c6e.pdf?index=trueIn PDF document text
- https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_dd6f8a76a8824dc18b8e9f8f21cd4bed.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fidefofudi/46360796593.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2458b035-e92f-442e-af51-b451d0c80f05/kilizokazonuniziliragat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a039138-0041-4b0b-b3f6-40e034d9f1aa/how_to_fill_a_ronson_butane_lighter.pdfIn PDF document text
- https://de99c131-68bf-4271-bcef-cda292486844.filesusr.com/ugd/f5892c_ffd33fc32dde44d48381a3a10fd201c9.pdf?index=trueIn PDF document text
- https://3682d434-6e27-4ac8-9ac2-d3ec24fa429c.filesusr.com/ugd/9b5f63_e72ab5f1634e4953ac1448c54f0d93fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gitipelut/gezurolimobuferokemavewi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ced8599b-ee86-4727-8bd3-3b5b52efe6ea/1_8_inch_graph_paper_printable.pdfIn PDF document text
- https://1c514d3f-4aca-4c14-a2cc-94ef866bc6c7.filesusr.com/ugd/860217_4fb2c0c3f43c4b5ead23118971c37a30.pdf?index=trueIn PDF document text
- http://rugogevegemup.rf.gd/87839302706.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8ff6013-ffe7-408e-bb5d-ae7c161b1dd9/57827360491.pdfIn PDF document text
- https://0fc0baf9-b884-4fcd-968e-f93c0f938930.filesusr.com/ugd/68ec51_6aea32cd0bdd45d0ad23a65436ffbfaf.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_off0000f3d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D0 | 5484 bytes |
SHA-256: 6401c27a361682267f6aee115200f2c4b8ab5c8cb66ceb30207646eee0921ea6 |
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font_01_sfnt_off0001065c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065C | 10860 bytes |
SHA-256: 675790544950b7bcedf9b05c21cb28c9886ca06e7ed5b891090051e3b6459140 |
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