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-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://zajinet.ru/strik?utm_term=resumen+del+libro+la+ciudad+y+los+perros+completo PDF link annotation
- https://rokegijigu.weebly.com/uploads/1/3/5/9/135978077/9481263.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447084/normal_601dac13636e7.pdfIn PDF document text
- https://didunoduwogu.weebly.com/uploads/1/3/2/6/132682107/4975170.pdfIn PDF document text
- https://xedawazusaxe.weebly.com/uploads/1/3/2/3/132303108/xawimebuxif-beximi-jositejezugow-kebaxebabazin.pdfIn PDF document text
- https://mokomowu.weebly.com/uploads/1/3/5/9/135969792/xalejip.pdfIn PDF document text
- https://gavuzolarot.weebly.com/uploads/1/3/4/4/134458525/7962356.pdfIn PDF document text
- https://mafivuvaga.weebly.com/uploads/1/3/5/3/135323118/robosazekitufebegud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403685/normal_5fdb528d0f9b2.pdfIn PDF document text
- https://bemesamug.weebly.com/uploads/1/3/4/7/134722017/27977d7826cb6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475588/normal_601e7ec80994c.pdfIn PDF document text
- https://cdn.sqhk.co/vemegunir/glyTogd/lujorurafipaxij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381752/normal_602472c01d8e1.pdfIn PDF document text
- https://cdn.sqhk.co/bewewojiwo/bo3jdji/powuvavetoguwovuwerutuzi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416653/normal_5ff88e0c1623c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b0c713f6-a2c2-4e19-9bad-c39c391e5109/hp_pavilion_dv6_sound_drivers_for_windows_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79d80559-e376-4fbc-b859-cf0bb6179b93/america_the_story_of_us_episode_3_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4ba8fde-8356-42ee-95a8-2eac2c334117/how_many_miles_do_marines_run.pdfIn PDF document text
- https://s3.amazonaws.com/lekezaru/81449258.pdfIn PDF document text
- https://s3.amazonaws.com/jevelel/xufatazefajirub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/accaa6b9-c459-4639-9e6d-46396e73cff4/ipv_mini_2_unlock.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_off00018473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18473 | 5468 bytes |
SHA-256: 5df85662b265cc9af5a4fa795a1f2863718544975efb9fb3f6b2b77206122479 |
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font_01_sfnt_off000196f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x196F6 | 12508 bytes |
SHA-256: 7820f42ad636a0e22df04b73ed55d99696af4b01882bd71bb5e680013127f40e |
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