Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb34df72b86facf3…

MALICIOUS

PDF

199.7 KB Created: 2021-03-28 11:06:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 63e93ef2189739238dba594cb53e4384 SHA-1: 805f10d2774c1291914b37cd0b60121fb446a60a SHA-256: eb34df72b86facf36efaba1b13776f4d2465c6d1151e3ea7d3c9e20f59cfbd8b
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. It contains an embedded URI pointing to 'https://lozipotod.ru/award?keyword=shell+logo+pdf', suggesting a phishing lure. No scripts were extracted, but the presence of external URLs and the nature of the heuristics indicate an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9937

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://lozipotod.ru/award?keyword=shell+logo+pdf PDF link annotation
    • https://cdn.sqhk.co/tikisudolo/pVmqsgh/acids_and_bases_pogil_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/vedasukuki/Zuidiji/sepugaladajun.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366033/normal_6017756b76812.pdfIn PDF document text
    • https://nolomiwasuwizug.weebly.com/uploads/1/3/4/6/134661688/1464053.pdfIn PDF document text
    • https://pudijeda.weebly.com/uploads/1/3/4/5/134586696/vekewanonuxuvid_wokuzixepizije_sexalirojava_wurigefa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453332/normal_6029ae0ad461f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450340/normal_5ff418db8bd43.pdfIn PDF document text
    • https://cdn.sqhk.co/bovutolomevo/I6hiXji/snappa_youtube_thumbnail.pdfIn PDF document text
    • https://mevemedetu.weebly.com/uploads/1/3/1/8/131871578/8153622.pdfIn PDF document text
    • https://midusafamiriron.weebly.com/uploads/1/3/4/7/134702540/eccdb9047f60.pdfIn PDF document text
    • https://cdn.sqhk.co/kogewole/iche4gc/sufenebewo.pdfIn PDF document text
    • https://cdn.sqhk.co/zelosoza/hfAlehf/story_mode_gta_5_cheats_ps4_phone_money.pdfIn PDF document text
    • https://wowajonaj.weebly.com/uploads/1/3/4/7/134717857/784404.pdfIn PDF document text
    • https://venofizemebesok.weebly.com/uploads/1/3/2/6/132681219/jusav-kutidaju.pdfIn PDF document text
    • https://jolezutixuzusav.weebly.com/uploads/1/3/4/6/134605000/46fcd.pdfIn PDF document text
    • https://cdn.sqhk.co/mekibekowufe/iAghhd1/adidas_sweatpants_womens_cheap.pdfIn PDF document text
    • https://wosodaguv.weebly.com/uploads/1/3/4/5/134590300/valivixix_joguvibesege.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/wefadep/kivetedusosesoxejezigino.pdfIn PDF document text
    • https://s3.amazonaws.com/boxujetanonikuv/xegiv.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/infographics_template_after_effects.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f535.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF535 156992 bytes
SHA-256: b94a1bba66ce8f61285da97153815b02964750ddb7ca10393ab08205a3bab906
font_01_sfnt_off0002c3bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3BD 4924 bytes
SHA-256: ecb2bbc9fff994129cc015f9f90775da968d8b70e1a674837dac707aa99c47db
font_02_sfnt_off0002d48c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D48C 10928 bytes
SHA-256: a73091550da6e31143862423cb6d7ba2576f9f5b106d203b39c9bccdbc8cf891
font_03_sfnt_off0002fa16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA16 16036 bytes
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb

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