Malicious PDF — malware analysis report

Static analysis result for SHA-256 93ba7a26c4401b77…

MALICIOUS

PDF

80.5 KB Created: 2021-02-27 20:52:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: cabf29a07446fcdf31229b2bf6407268 SHA-1: 85c20de8062ab5e4cbc4f01363e4deab8011485d SHA-256: 93ba7a26c4401b7782a067c90eb85914e451271817444c87db22379566fe6d99
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://soxebez.ru/strik?utm_term=what+do+u+mean+by+data+dictionary PDF link annotation
    • http://dostafood.xyz/xugujobeod6u.pdfIn PDF document text
    • http://sakulog.sportsontheweb.net/get_tough_approach_to_crime_definition.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/can_you_name_all_50_states.pdfIn PDF document text
    • http://sopugepibimel.mypressonline.com/crosley_cr44cd_turntable_console_with_cd_player_and_am_fm_tuner.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/how_to_change_the_charging_port_on_a_samsung_tablet.pdfIn PDF document text
    • http://allerlo.xyz/largest_air_base_in_germany6gexm.pdfIn PDF document text
    • http://gratoraama.space/vuterepepedoxoxefakh6.pdfIn PDF document text
    • http://reassurez-moi-fr.info/one_of_us_is_lying_chapter_2_summaryxsiea.pdfIn PDF document text
    • http://vugekowuzujed.scienceontheweb.net/psychoanalytic_theory_in_childrens_literature.pdfIn PDF document text
    • http://gekodejevotug.medianewsonline.com/garmin_gpsmap_62s_manual.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/lovetijif/fanuwovod.pdfIn PDF document text
    • https://s3.amazonaws.com/nolarifaforuxop/29540388158.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/toxonadonofibosokebegelat.pdfIn PDF document text
    • http://molagegivijoxu.onlinewebshop.net/geometry_chapter_6_resource_book_lesson_6.5_practice_b_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/dinigugaxej/jaani_dushman_film_video_song.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_off0000f066.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF066 5104 bytes
SHA-256: da11aabf69c0703331a8e5f6373e3ed850f0ccedf2c47257932364bf50b7b776
font_01_sfnt_off000101a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101A5 10812 bytes
SHA-256: eb5848dabb9ad849e659d050401cf4980c89da676e3c0fba6a137d3c39c503ce
font_02_sfnt_off000126a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126A3 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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