Malicious PDF — malware analysis report

Static analysis result for SHA-256 0337eb69b7645988…

MALICIOUS

PDF

81.2 KB Created: 2021-01-13 23:51:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 231af05a57ef6fe1edd17ed91e7b8aaf SHA-1: d5ecc8153e24def33213a72c385868c1fa41f17e SHA-256: 0337eb69b764598817bc22e2b7529c1fe66750641d52c0ed0d786bef210cbdcc
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Vicroads learners practice test in arabic' and embeds a URL pointing to 'traffking.ru'. This URL is likely used to redirect the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

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://traffking.ru/123?utm_term=vicroads+learners+practice+test+in+arabic
    • https://cdn-cms.f-static.net/uploads/4454051/normal_5fd31be2c68e9.pdf
    • https://site-1178452.mozfiles.com/files/1178452/body_scanner_camera_app_free_download.pdf
    • https://site-1173237.mozfiles.com/files/1173237/55593544712.pdf
    • https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/72be4.pdf
    • https://site-1204364.mozfiles.com/files/1204364/cursed_minecraft_world.pdf
    • https://cdn-cms.f-static.net/uploads/4449421/normal_5fbcd406a9cb8.pdf
    • https://static.s123-cdn-static.com/uploads/4393626/normal_5ff5bcc807b0d.pdf
    • https://cdn-cms.f-static.net/uploads/4403937/normal_5f9b36db6e618.pdf
    • https://cdn.sqhk.co/gafokoru/2jijeJA/bubble_shooter_2_game_free_online.pdf
    • https://site-1172440.mozfiles.com/files/1172440/alphago_zero_games.pdf
    • https://renobikedasel.weebly.com/uploads/1/3/4/8/134897329/xozodesilenunifezi.pdf
    • https://cdn.sqhk.co/bofogarabu/6PVgckm/microtubule_cross-_linking_proteins.pdf
    • http://fontawesome.iohttp://fontawesome.io/license/
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/rijaliwiguvex/jukijupefasasabazele.pdf
    • https://s3.amazonaws.com/davawina/kemoxip.pdf
    • https://s3.amazonaws.com/pazifetanegapu/wavelet_analysis_matlab.pdf
    • https://s3.amazonaws.com/woxojuxafopuv/wiseganugelubagitawomik.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://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • http://scripts.sil.org/OFL

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00011b0f.bin
940f57cc7a680786e8b35e7b6a24e328bfdd5e4fbd5389cf1e89b59f948ee8eb
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x11B0F 18168 bytes
font_00_sfnt_off0000dc98.bin
2d7d6f6066f3500c04b99941334b84db4d1f7d4261161f89dd47bb5df8910c2b
pdf-font-stream PDF embedded font (sfnt) at offset 0xDC98 1644 bytes
font_01_sfnt_off0000e4d1.bin
027e2cb8e8414c925fc90f22b0a08fa834a7e8598a01b1bfa2c60dce642db476
pdf-font-stream PDF embedded font (sfnt) at offset 0xE4D1 5172 bytes
font_02_sfnt_off0000f671.bin
8e5d96e8977306a706d3c711f0371648ba3ac29c6d90401c2ab27291cde46669
pdf-font-stream PDF embedded font (sfnt) at offset 0xF671 10692 bytes