MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially malicious websites. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic indicate an attempt to distribute or phish via these external links.
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://druttle.ru/strik?utm_term=ferrari+458+spider+for+sale+autotrader PDF link annotation
- https://cdn-cms.f-static.net/uploads/4379603/normal_60132168ac86e.pdfIn PDF document text
- http://bunnygummy.ru/186715047271g2ci.pdfIn PDF document text
- http://vonowaz.iblogger.org/cisco_firewall_software.pdfIn PDF document text
- http://birodavaz.22web.org/spider_man_1_comic.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383912/normal_5fd117da5e9a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406775/normal_6030eb9dde38c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426945/normal_5ff13a5ec4717.pdfIn PDF document text
- https://puwelivaju.weebly.com/uploads/1/3/4/8/134885893/a762b6.pdfIn PDF document text
- https://jewukezi.weebly.com/uploads/1/3/0/9/130970006/e1f51d.pdfIn PDF document text
- http://closemaze.com/simon_ielts_video_freet90is.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470526/normal_6007608566244.pdfIn PDF document text
- https://vavozeja.weebly.com/uploads/1/3/5/3/135308761/c93c7ed0f33d94.pdfIn PDF document text
- http://bupatinewesep.66ghz.com/bihar_board_12th_result_2019_marksheet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_32582d7ce42d48feae08e53adce56d50.pdf?index=trueIn PDF document text
- https://033a7475-7ccb-45c1-8f1e-38fd320d48d0.filesusr.com/ugd/03a576_e6a039f7d4cd46a398cca40b4c6050ad.pdf?index=trueIn PDF document text
- https://f27bca7f-571c-471d-9e77-92385e6dfcd0.filesusr.com/ugd/9a0fa1_4e9578f97bbe4b1faa3929d19ab09e18.pdf?index=trueIn PDF document text
- http://babokad.epizy.com/information_about_ceramic_articles.pdfIn PDF document text
- http://rajemezipuz.rf.gd/beyblade_games_for_java_mobile.pdfIn PDF document text
- https://2f2ab42d-e0b4-4bd3-aa50-2430da1ff5fc.filesusr.com/ugd/eaf48f_d6f3329ce2db4aa9958d2bf387b6c472.pdf?index=trueIn PDF document text
- https://97783159-ced7-426e-9fbd-60d2bb3342fb.filesusr.com/ugd/00058f_74ceead93e234df0ba4049cd64fd2069.pdf?index=trueIn PDF document text
- http://jasopiwutuv.epizy.com/ramodepotazutaxevenirove.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_off0000d1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D4 | 5396 bytes |
SHA-256: 753d7cab4024471f64b0f1a134f935caed94660f8148c4ad71a38e53ee179289 |
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font_01_sfnt_off0000e449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE449 | 10224 bytes |
SHA-256: 22f166a59aa19940a1d350649573f78e7954f822cf5c65a01580b95cefefdefb |
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