Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ed3434d84a6d72a…

MALICIOUS

PDF

105.8 KB Created: 2021-03-15 01:41:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: a0d8f4ee30580675df4b3729d6c45794 SHA-1: 27e65948dceec8861aac8f9641cc2619c8feb6a0 SHA-256: 5ed3434d84a6d72ae88be35dbb52ecf2e055de5b9403200139535dd98003e33d
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of external URIs and the overall detection suggest the document is designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jottigo.ru/strik?utm_term=innova+3040+rs+manual PDF link annotation
    • http://limebago.iblogger.org/59275708366.pdfIn PDF document text
    • https://cdn.sqhk.co/sobexofap/j4hgxgc/63698286748.pdfIn PDF document text
    • http://usesucre.pro/what_is_similar_to_bowflex_max_trainer9ae0f.pdfIn PDF document text
    • http://marketitaly.info/74033523845c5wra.pdfIn PDF document text
    • http://xewuxufulizifu.22web.org/is_the_2013_lincoln_mkz_a_good_car.pdfIn PDF document text
    • http://iuts.space/fortnite_blender_models8017n.pdfIn PDF document text
    • http://life-news.tech/jokenamadaduvepidijexinahfayg.pdfIn PDF document text
    • http://pasetbs.xyz/dd_phb_classesvq9a9.pdfIn PDF document text
    • http://vzruvayarttraff.xyz/schwinn_cyclone_plus_bike_pump_manual0rprj.pdfIn PDF document text
    • https://cdn.sqhk.co/tenotitur/jrQWfrZ/18285270404.pdfIn PDF document text
    • https://cdn.sqhk.co/bodorosuzuta/0Oifijg/cheap_fishing_tours_near_me.pdfIn PDF document text
    • https://cdn.sqhk.co/palugalanivo/giFhcic/66958813742.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/daraniwekamidir/how_do_i_unlock_fl_studio_20_for_free.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/graphic_design_portfolio_website_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/mubefula/jizekutenevuxerofodevon.pdfIn PDF document text
    • https://s3.amazonaws.com/lazesej/sofagivifuxetaxew.pdfIn PDF document text
    • https://s3.amazonaws.com/mogipegi/how_to_prevent_climate_change_in_agriculture.pdfIn PDF document text
    • http://gojeduxodevesif.epizy.com/36393022209.pdfIn PDF document text
    • https://s3.amazonaws.com/seriposuj/whirlpool_gold_quiet_partner_iii_control_board.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/depakezixureripusosevifa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001551e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1551E 5220 bytes
SHA-256: a460b94b904151cd78853dd3391845e1f4a519167774a35cbe543e1f2f57c6d2
font_01_sfnt_off000166cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x166CD 2052 bytes
SHA-256: ec6eea5dfcbbef0db0e8ffa573365277ae9cfa4b01e96341569a4143c7059fa1
font_02_sfnt_off00016fb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16FB2 12072 bytes
SHA-256: 8a68d2607e1326fd09d105fe60adabe09d7d20cd593e0cf077d861cf1a85ccf6

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