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 of which are hosted on disposable domains, indicating a link farm designed to distribute traffic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The embedded URLs and the heuristic firings point towards a phishing attack that uses a link farm to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://kuzutuzo.ru/award?keyword=android+developer+cv+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366063/normal_604f9e0f400aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394068/normal_603afe5c1f568.pdfIn PDF document text
- https://zopavuro.weebly.com/uploads/1/3/4/5/134584556/vosotu.pdfIn PDF document text
- https://bokesaxigalul.weebly.com/uploads/1/3/0/7/130776824/1344712.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419441/normal_5fe0afe4abd78.pdfIn PDF document text
- https://cdn.sqhk.co/wofunukasu/jcjYI3R/dirt_go_kart_racing_tracks_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/tedigedubemi/eicia3u/44044420213.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408707/normal_6044a1bbe3559.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468554/normal_5fdb553b097ef.pdfIn PDF document text
- https://siviwoxepigomuz.weebly.com/uploads/1/3/0/7/130739754/goxumivugimugif_busujojoti_mofexosovawid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372378/normal_602439a22d370.pdfIn PDF document text
- https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/ccd4ae1351ecd8.pdfIn PDF document text
- http://tufepuwaw.iblogger.org/11698854211.pdfIn PDF document text
- http://ritegifufefut.scienceontheweb.net/8th_habit_from_effectiveness_to_greatness.pdfIn PDF document text
- https://cdn.sqhk.co/jelazeneno/jb9BYid/lerek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409123/normal_601842f11e450.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370059/normal_5ffb3ef8e845d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447436/normal_5fe887951a5a5.pdfIn PDF document text
- http://lowusonuraku.mygamesonline.org/57998556556.pdfIn PDF document text
- https://jevavawawoj.weebly.com/uploads/1/3/4/8/134885319/bb01dc9f7800.pdfIn PDF document text
- http://goladelexugezi.sportsontheweb.net/zizowawumawovewi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vuvuvemalazot.epizy.com/colosseum_rome_tourist_information.pdfIn PDF document text
- http://boluwugotesuni.rf.gd/bluebeam_tutorials_2018.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_off0000eb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB80 | 4808 bytes |
SHA-256: 0ad63c36eea4b1b18963d6ed1e1c831ecd6947cb8ce0837e65f98609923dc32b |
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font_01_sfnt_off0000fbf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF9 | 11448 bytes |
SHA-256: 8ad723db939a251ff54344114e854f074a71de6592f7f44ee1ff37e0cead91be |
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