PDF malware analysis — malicious · 748f3c4426137684

MALICIOUS

PDF

83.1 KB Created: 2021-03-01 09:10:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2dfa15139e23116e0199b5cbd40725f6 SHA-1: 971508be2e9ba37ee624ce6b0ae115d02e895639 SHA-256: 748f3c44261376842a7e9a9a05a98d8e5af4a9e9ccbe0559a2c7c5bc71119dae

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'https://zajinet.ru/wix?keyword=watch+the+joker+movie+online+free+reddit', which is likely a phishing lure. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, potentially for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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/wix?keyword=watch+the+joker+movie+online+free+reddit
- https://cdn.sqhk.co/vozaxodep/LrjetpV/wiropenudavul.pdf
- https://betebawaxudu.weebly.com/uploads/1/3/5/3/135388356/1727746.pdf
- https://cdn.sqhk.co/gepeduvo/QDReIjh/3907274318.pdf
- https://kumumejetosen.weebly.com/uploads/1/3/0/9/130969188/luvikuten_jogewogajulolo_xibivuxiguno.pdf
- http://souve.me/days_bygone_castle_defense2a3ps.pdf
- http://ogranifruit.space/font_mr._dafoe_anonymous_pro7oqkj.pdf
- http://zarabatyivat.ru/girlfriends_guide_to_divorce_season_6_netflixhzpvz.pdf
- http://pigigozoruda.mypressonline.com/if_i_ran_the_zoo_book_app.pdf
- http://hotita.fun/58727959686n07ye.pdf
- http://katipef.medianewsonline.com/70476051627.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://roxujewov.myartsonline.com/23303084666.pdf
- http://xinirujoki.epizy.com/16188541291.pdf
- https://s3.amazonaws.com/zategafozasiru/10858472587.pdf
- https://s3.amazonaws.com/zoromexemuzid/take_5_tab.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f510.bin` `4348701b2635a9d684d3b6609732fec3194f531eefb6af950ccf09e58a59cbb5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF510	5296 bytes
`font_01_sfnt_off00010703.bin` `b148f41be10430356fac85d7e3e032b8a8db2e59468803d58b42bb54fff54b51`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10703	10212 bytes
`font_02_sfnt_off00012a38.bin` `9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12A38	16092 bytes

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