MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting services, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified the file as malicious, specifically a phishing trojan. The presence of embedded URLs and the nature of the link farm suggest an attempt to direct users to malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://bologen.ru/strik?utm_term=ig+liker+apk+2019 PDF link annotation
- https://xeresitemuja.weebly.com/uploads/1/3/5/3/135311884/ronixi-xodaf-pajuwixukuga-kubabolek.pdfIn PDF document text
- https://zemaxuwoti.weebly.com/uploads/1/3/4/6/134694437/labatop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450350/normal_6037ca3fa5751.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473638/normal_60450b5611ebb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493545/normal_60693bd81df70.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419628/normal_604923377bc83.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381740/normal_6005041e63a8a.pdfIn PDF document text
- https://jexelokase.weebly.com/uploads/1/3/5/3/135321670/bolabofilu_lixoga.pdfIn PDF document text
- https://fozuwojomawunuk.weebly.com/uploads/1/3/0/7/130776264/4616362.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427529/normal_6032e17caacc7.pdfIn PDF document text
- https://podotetu.weebly.com/uploads/1/3/4/0/134017986/jizagebovebeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369174/normal_606b8065506c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416940/normal_60469cb41f521.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450438/normal_5ff58eca903de.pdfIn PDF document text
- https://nozuresosobud.weebly.com/uploads/1/3/4/7/134758814/musuxujutodot.pdfIn PDF document text
- https://jojimixumomural.weebly.com/uploads/1/3/4/4/134438106/223b5e.pdfIn PDF document text
- https://mulevemi.weebly.com/uploads/1/3/4/7/134754511/1341350.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://uploads.strikinglycdn.com/files/69a0a407-e82f-46af-80b7-4fb31ff329f4/how_to_check_dojo_points.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee6db465-66f0-48a5-9502-f8bb0e7c583f/lasko_oscillating_tower_fan_assembly.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c4c2f95-5520-4dc5-adbb-17d58c71280c/57300875886.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f08d1948-d511-4682-b2be-3372103b3a7f/vonopusuxev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78f653f8-5c61-447b-a580-8aa3f5530224/el_poder_de_las_palabras_libro_gratis.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_off0000efb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB6 | 4784 bytes |
SHA-256: 9d425370e4639db46aec9cec5148af9117616bb10a63e9cda3568490cb308ea2 |
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font_01_sfnt_off0000ffff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFFF | 10824 bytes |
SHA-256: 0993e8c5456c16d3916243a4a057851aee0dd29c7350539b7a6b2a4fa09e51fd |
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font_02_sfnt_off00012508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12508 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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