Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c96bbd75bea3e50…

MALICIOUS

PDF

76.5 KB Created: 2021-03-20 11:59:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4844e9c6e1b8fde45b33f47a69a2bb5c SHA-1: b709a0fb194f2bede95853dc38856595105aedef SHA-256: 9c96bbd75bea3e50ae293e742d931c07d1883c893ee3cfd9c78ac730acbe4cd3
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to a resource that is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to a 'Jeep cj7 factory service manual', which is a common tactic to entice users to download further malicious content.

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://druttle.ru/wix?keyword=jeep+cj7+factory+service+manual
    • http://salebox.shop/kekabe0mzvs.pdf
    • https://rowozone.weebly.com/uploads/1/3/2/7/132740293/xevuroboluv.pdf
    • https://cdn.sqhk.co/nasubivapu/COe6dia/nba_2k20_ratings_update_march.pdf
    • https://sujezebaxoxil.weebly.com/uploads/1/3/4/3/134316131/4774325.pdf
    • https://cdn.sqhk.co/vafodagusun/d7jaxji/sub_meter_reading_calculator.pdf
    • http://cardioactiveitalia.site/cap_yeager_award_study_guideg6f5b.pdf
    • https://gasezojilatinoj.weebly.com/uploads/1/3/1/4/131455825/ditaf_xudanutiremo_fasewexuwer.pdf
    • https://cdn.sqhk.co/bubiwalifeda/g0EhiFI/valunusozezu.pdf
    • https://fexalikinuzumow.weebly.com/uploads/1/3/5/3/135324316/nasuxonolule_niputukidaz_kopol_jakuw.pdf
    • https://cdn.sqhk.co/rijomawonuj/hhdgfja/first_flight_english_book_class_10_solutions.pdf
    • https://pojajowose.weebly.com/uploads/1/3/0/8/130813819/5964626.pdf
    • https://cdn.sqhk.co/lezebulodiw/eggg2U5/telegram_stickers_meme_2020.pdf
    • http://50offit.pro/pioneer_vsx_524_k_manual_espaolqrigm.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/7db6b1ec-1059-4583-9ffc-52b3d490aa0f/samsung_un28h4500afxza_manual.pdf
    • https://s3.amazonaws.com/minegikukovel/glencore_plc_annual_report.pdf
    • https://uploads.strikinglycdn.com/files/5c39b37b-823a-49b6-be44-439543ee8b87/kowepudamajubinigikipeli.pdf
    • https://s3.amazonaws.com/viregujipowuru/bio_101_lab_manual.pdf
    • https://uploads.strikinglycdn.com/files/d2b4090d-13d3-40de-91f2-af1c0a660b4d/66556622212.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df83.bin
3238dd96a3ba1b70483b68c09624ca4f9b5bd631d0166d36ffd1bec3b49a8b36
pdf-font-stream PDF embedded font (sfnt) at offset 0xDF83 5348 bytes
font_01_sfnt_off0000f1b4.bin
ee03cdbcf328a3b3529e63d2866b965690a8ae1c8fea0999bbee5a88895b2fd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xF1B4 10960 bytes
font_02_sfnt_off0001172f.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x1172F 4324 bytes