Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fe80a870e1c085f…

MALICIOUS

PDF

71.9 KB Created: 2021-02-14 11:14:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 243f467082bd5e731a4b71bb2ef09e29 SHA-1: 89ee2dcfe8ef1878df270c50b1178c8037a20d7d SHA-256: 6fe80a870e1c085f944db052ff0e4f2df2d79a400edf1c0fa014186dd00ca5ff
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jacksth.ru/wix?keyword=skyrim+prima+official+game+guide PDF link annotation
    • https://cdn.sqhk.co/saguregifu/lhehjME/vinilebikepun.pdfIn PDF document text
    • https://cdn.sqhk.co/rijomawonuj/j4Hpjgb/mufetugopudajikizuk.pdfIn PDF document text
    • http://fruits-summer.fun/wazejedinavus99xc6.pdfIn PDF document text
    • http://normaa-id.com/commando_training_video_hd2pss7.pdfIn PDF document text
    • http://kernig.online/4526136905164ctm.pdfIn PDF document text
    • https://xisuviwilizej.weebly.com/uploads/1/3/4/3/134320176/nalujawazaf-tugug-bexigonik-radununuse.pdfIn PDF document text
    • http://1yamal.space/denemuxutolekojidaseken71ert.pdfIn PDF document text
    • http://insurancesouk.com/bibliography_entries_mla_formatn4uf7.pdfIn PDF document text
    • http://dontbeshy.xyz/dekulovapodatesavovuzivg6q6a.pdfIn PDF document text
    • https://fojugifobuko.weebly.com/uploads/1/3/5/3/135328464/xutivasegozip.pdfIn PDF document text
    • https://cdn.sqhk.co/wepurodapike/aBhd1ja/copperhead_strike_planet_coaster.pdfIn PDF document text
    • https://bekodezu.weebly.com/uploads/1/3/1/8/131856725/776438.pdfIn PDF document text
    • http://lbaranaydin.com/jumekorebigelakididqjtm.pdfIn PDF document text
    • https://cdn.sqhk.co/datolabevev/gedhaie/birthday_room_decoration_ideas_for_husband_pinterest.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/muvazi/95295872366.pdfIn PDF document text
    • http://zepedijuva.epizy.com/free_english_grammar_worksheet_for_grade_3.pdfIn PDF document text
    • http://moxododokojuke.epizy.com/tulufavarotubebujolamepe.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/biometric_atm_system.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/25932593862.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/koporo.pdfIn PDF document text
    • https://s3.amazonaws.com/medaliwifufugel/gowosupewubo.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.

FilenameKindSourceSize
font_00_sfnt_off0000dc3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC3D 5564 bytes
SHA-256: b0dd8925b1dc72eba09a0ead2744790a7b54b75b8fb90b4f3fe2096dc771fb5c
font_01_sfnt_off0000ef21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF21 10408 bytes
SHA-256: 87d131742894ecef91cbda754fdcf49b730f35a53f44e7c68c80d574609b8868

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