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 0.9998
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://bologen.ru/strik?utm_term=what%2527s+another+name+for+daytime PDF link annotation
- https://mogivara.weebly.com/uploads/1/3/2/7/132712472/41e69ba1b44d.pdfIn PDF document text
- https://pavuxutekukos.weebly.com/uploads/1/3/4/7/134704216/1077943.pdfIn PDF document text
- https://tozilamuvopodes.weebly.com/uploads/1/3/5/9/135966944/zadumabotizi.pdfIn PDF document text
- https://dukinuvofipul.weebly.com/uploads/1/3/2/7/132711936/gezezaxukizadelowo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://c301b42c-deab-4116-afcd-a09dd0728425.filesusr.com/ugd/4bb894_e7b90402b02c418c82b02f60ec186ec2.pdf?index=trueIn PDF document text
- https://33da92c3-26de-4f6b-bf12-1693cb6a6e79.filesusr.com/ugd/0307f2_a6a32158025544b686e76c3219652aee.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bc51a359-98b5-4115-b465-bdaececb1a4d/zisowubavoxelun.pdfIn PDF document text
- https://ed59cdd8-0d75-4634-8bb2-7afdb9da103e.filesusr.com/ugd/9cb112_d3a509c6228a491b996ee7939a904b30.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fejenijovekozu/what_are_the_advantages_of_traditional_teaching_methods.pdfIn PDF document text
- https://s3.amazonaws.com/kujesulad/which_laptop_is_best_under_30000.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d419cbf2-d2c1-4a1b-82e5-c2899e99ce60/what_does_the_song_take_me_home_mean.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/video_er_app_for_android_mobile.pdfIn PDF document text
- https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_f8c6c3ed292f437c905a0af4fcbc3587.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d919e3cb-4450-4160-837b-341070b37580/the_little_sas_book_a_primer_6th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7b8ceb6-5da3-4189-b92d-786f5ff98d95/gopro_hero_4_silver_firmware_update.pdfIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_bf95a2ca8af44cc0972a7733a42621ea.pdf?index=trueIn PDF document text
- https://7a9095e9-4ba3-4ff7-9406-a75d0382ce8a.filesusr.com/ugd/db93e9_66e425467e1445929151c2ae67ce7a01.pdf?index=trueIn PDF document text
- https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_cab2cba692c54968849d83294a6e7bda.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fejenijovekozu/selurad.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e631.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE631 | 5052 bytes |
SHA-256: 38e3831c8a3d6d5dc031e96a666b3f290161b1cebaee2158baeb80b184ffe262 |
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font_01_sfnt_off0000f73e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73E | 10436 bytes |
SHA-256: 827467bfc2ba3c669a18b05d19ece2d98538443a4e14251b01f72f757df1f851 |
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font_02_sfnt_off00011b03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B03 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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