Malicious PDF — malware analysis report

Static analysis result for SHA-256 fadeec9ea8716c8c…

MALICIOUS

PDF

77.4 KB Created: 2021-03-24 18:41:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: bbea65cb15f0d48cd401ce1e8b28ea84 SHA-1: 55fb546ad7943ec19798f0c793630ab8697b4189 SHA-256: fadeec9ea8716c8cd8bb10f5a018c2c93420fec2ae21d57c8751605f52dc6712
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://bologen.ru/award?keyword=royalton+riviera+cancun+map+pdf PDF link annotation
    • https://cdn.sqhk.co/tejilunuf/PXhhgd3/11901914934.pdfIn PDF document text
    • https://cdn.sqhk.co/rajunakeb/jb6Mgi3/off_road_pickup_truck_driving_simulator_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/jetobatu/MgjHRjf/monster_energy_supercross_game_nintendo_switch_review.pdfIn PDF document text
    • https://cdn.sqhk.co/towinomer/gdhihi3/7704952987.pdfIn PDF document text
    • https://cdn.sqhk.co/zefadanexa/gdgje3u/fanuc_cnc_simulator_price.pdfIn PDF document text
    • https://cdn.sqhk.co/rosomugimo/ihicVoo/tractor_pull_2020_schedule.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499972/normal_5fc593acd0ec3.pdfIn PDF document text
    • https://cdn.sqhk.co/pinofizulag/QlhhQ67/heroes_towers_defender_castle_defense_td.pdfIn PDF document text
    • http://rofuzixaveminup.iblogger.org/97610829999.pdfIn PDF document text
    • https://cdn.sqhk.co/pulovafafita/iQqMiic/tchoulolo_recharge_problems.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464534/normal_5fdfabbdbf055.pdfIn PDF document text
    • https://cdn.sqhk.co/vixemujomu/g03hggi/mafia_city_ps4_gameplay.pdfIn PDF document text
    • https://cdn.sqhk.co/zejizoguzut/cLji3fx/blue_color_traffic_signs.pdfIn PDF document text
    • https://cdn.sqhk.co/nixafusoda/ahfgEfL/36764455528.pdfIn PDF document text
    • https://cdn.sqhk.co/vutowogipu/hhhcA3Z/lavik.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
    • http://jelirasu.rf.gd/wufabikavokemok.pdfIn PDF document text
    • http://bokubipojofoji.rf.gd/gastroenteritis_viral_pediatria.pdfIn PDF document text
    • http://movisupe.epizy.com/xuvujizudileruj.pdfIn PDF document text
    • http://bagobopog.rf.gd/application_of_bacteriophage.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_off0000e2bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2BF 5172 bytes
SHA-256: a16db5a8d9781d4913feb058fe84645ffe8c3a6bfee5cdff4a1de1600eac6d00
font_01_sfnt_off0000f44b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF44B 11076 bytes
SHA-256: 05958a7709ed5cf432cf2a71447e128fe07e2ddd21a62a26493beae0b2aa1693
font_02_sfnt_off00011a24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A24 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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