Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ac4e6ce7758f36b…

MALICIOUS

PDF

73.0 KB Created: 2021-02-14 09:50:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: b96b8b77377a1b87689aa50869b2d3d9 SHA-1: 728f2663b03372b9bd2fcee2c0bfa6004e6da480 SHA-256: 2ac4e6ce7758f36bfced41e8635d44cef0c8296230a62cbb23f3d93ad621fd61
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bologen.ru/wix?keyword=stages+of+critical+thinking+worksheet PDF link annotation
    • https://cdn.sqhk.co/vudararemane/riaicjg/fibefifaxodumikorab.pdfIn PDF document text
    • http://dombitarf.ru/tedepixoxasalanutidy1d30.pdfIn PDF document text
    • https://cdn.sqhk.co/tovipovo/Didhcwy/xuponal.pdfIn PDF document text
    • https://cdn.sqhk.co/jezuleku/lhd9F1U/happy_birthday_hockey_meme_gif.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492900/normal_60045d40795af.pdfIn PDF document text
    • https://cdn.sqhk.co/wimiwupo/Fiasuji/luigi_running_sprite.pdfIn PDF document text
    • http://fringigejy.site/furejifufotejagopezinexchdu5.pdfIn PDF document text
    • https://cdn.sqhk.co/xovatagemi/igeghib/39848053488.pdfIn PDF document text
    • https://cdn.sqhk.co/fenozidu/9GOdQvI/wagenotokubekavik.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374189/normal_5ff83217e0ed3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452851/normal_60029794862bc.pdfIn PDF document text
    • http://trastenmyqort.online/once_twice_thrice_game56yvq.pdfIn PDF document text
    • https://cdn.sqhk.co/takoxuwal/cIBcggM/navudagugowixapoto.pdfIn PDF document text
    • http://salet.store/80908529780zij0w.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/sabobenuwe/que_es_ostomia.pdfIn PDF document text
    • https://s3.amazonaws.com/dejazuvorira/fikifavajunuvijefoxo.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/71504697500.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/fubatilemisanedab.pdfIn PDF document text
    • https://s3.amazonaws.com/tikoweravisixu/59448899813.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/steal_my_heart_song.pdfIn PDF document text
    • https://s3.amazonaws.com/bovenotojitowe/ravenclaw_common_room_riddles_and_answers.pdfIn PDF document text
    • https://tinyurl.com/ybxrscnjCriticalIn 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_off0000df98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF98 5404 bytes
SHA-256: cd305b1f23ff9923116888052ce82078ca2ddbe6254f4e4d0e71e91f23e74ecb
font_01_sfnt_off0000f20a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF20A 10668 bytes
SHA-256: 94455ca87405ffbe1b92d3625ff81d6ca2cf4b6740bcfc878b302abcfcac1850

Open this report in the interactive analyzer, or submit your own file for analysis.