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://mezovuduw.ru/strik?utm_term=staff+nurse+entrance+exam+questions+answers+pdf PDF link annotation
- http://dizititakozazi.mywebcommunity.org/89852102284.pdfIn PDF document text
- http://vaxenovutejuzid.sportsontheweb.net/what_does_error_code_ae_mean_lg_dishwasher.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/lonozote/43728963396.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8845ea39-1a47-4dac-97e4-800c49a8438c/janesozefulaninurimes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b3c222e9-09fd-4177-b31b-dd15b113972d/96994260733.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/165007cf-7175-43c3-8296-518a9255a881/chetan_bhagat_one_night_at_call_center_free_download.pdfIn PDF document text
- http://zerowegujij.onlinewebshop.net/subordinating_conjunctions_song_itsy_bitsy_spider.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3612eab9-fbcc-43e2-b8b9-4e0ad24ee84f/fuwekibefu.pdfIn PDF document text
- https://s3.amazonaws.com/jolituzoji/81319030103.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/320d952b-ae58-4603-9f79-995d44299c52/bumojejonikutera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f13e2f77-2178-478d-9fae-90ac813cbe24/traits_of_good_academic_writing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f1e1eda-de28-446b-88f6-8c78524797d0/why_does_my_panasonic_remote_control_not_work.pdfIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_cf6e32ea76fd482c8c7af881a7fa1843.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vebisop/gekasolefedajuzobu.pdfIn PDF document text
- https://61df3396-90b5-4b69-a3ae-475c9da6ebc5.filesusr.com/ugd/516574_aa54ba40682f47f2b2b0bc78bcef9c6b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fb714512-18c7-4a86-85b3-966b008e4ffe/bosch_silence_plus_44_dba_mounting_brackets.pdfIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/25405008092.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/904e64b2-efcc-4cf2-9c04-8d6f67b15a62/84308170040.pdfIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/game_brother_in_arms_apk_obb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22aaa831-e7a7-474b-b74f-679d84fd1ba0/nefazevuxakosafuzi.pdfIn PDF document text
- https://1b2c4efd-c8eb-4b04-b26f-b9154d704720.filesusr.com/ugd/d3758e_9a279d51f99c43478bee9967ac541cc7.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_off00014cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CD9 | 5656 bytes |
SHA-256: eaa83a2b791b0a171b0b55353e55442feeefe448cdd368231321856d39c243d5 |
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font_01_sfnt_off00016023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16023 | 11484 bytes |
SHA-256: 974f3a591e0d9360de5ad23d1c9b8b52fe0fdab5b709811695df8abd3a4916fc |
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