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-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://dugedepap.ru/123?utm_term=apoptosis+assay+pdf PDF link annotation
- https://pigamudabuv.weebly.com/uploads/1/3/4/2/134235231/6a22bce0ac.pdfIn PDF document text
- https://cdn.sqhk.co/vozofugova/mHjahhf/most_realistic_air_combat_fighter_game_download.pdfIn PDF document text
- https://cdn.sqhk.co/xorilulog/mIhgijB/real_craft_3d.pdfIn PDF document text
- https://lubefapezixa.weebly.com/uploads/1/3/1/3/131398117/bobigelerokuza_datazix_gavakadetipi.pdfIn PDF document text
- https://juxibawazorar.weebly.com/uploads/1/3/3/9/133997202/87737.pdfIn PDF document text
- https://cdn.sqhk.co/mifodirula/ghbdjbh/bopazadoxekofanivokodoj.pdfIn PDF document text
- https://cdn.sqhk.co/serodozire/cWEOUwq/dolozilibefigiwotugeg.pdfIn PDF document text
- https://fumitalabojaluk.weebly.com/uploads/1/3/5/3/135399187/biwoxax-tiwawani.pdfIn PDF document text
- https://cdn.sqhk.co/wesaduleb/eya5Uib/42775683145.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_1c4743c5d0a14bb287b098c6d2b9f686.pdf?index=trueIn PDF document text
- https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_e26e552a8b634dc0b850458c42960282.pdf?index=trueIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_dedca363d48d426aac8cc826b240ea5d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kuxuxemu/pencil_drawing_tutorial.pdfIn PDF document text
- https://05790d5e-93e9-4545-bcc4-99c37f081c18.filesusr.com/ugd/bff4d5_13f8e5454a974b1d911183971a212f72.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tarajix/usps_priority_mail_international_delivery_time_to_mexico.pdfIn PDF document text
- https://f2d828cf-06d9-46ea-85af-d88b0bc20d44.filesusr.com/ugd/501a20_eba6b2e8fdab4ae9a3352db32ec22558.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1981bffd-c8b1-4ffe-afef-4a038b7edbd3/44619803588.pdfIn PDF document text
- https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_dbeedfa0b5e84a97acde77ebda71c9f9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zobuwubedak/clustertruck_free_mac.pdfIn PDF document text
- https://s3.amazonaws.com/bifamomove/concepto_riesgo_financiero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbb8e038-0454-4a48-a460-0e383b00c163/theories_of_motivation_business.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BC | 5000 bytes |
SHA-256: 9c363bfaa9a1d76c1df4b9a37537da536c82f517a2571c0ccd3347f9c121ba86 |
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font_01_sfnt_off000104e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E3 | 11344 bytes |
SHA-256: b6d81dd17f522a196f533dfaaac60d6f089ce6969b2a930f44abfdbc8b425648 |
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