Malicious PDF — malware analysis report

Static analysis result for SHA-256 d03f38703fe0fca6…

MALICIOUS

PDF

208.0 KB Created: 2020-11-22 01:06:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1704e0540b36936f03a998621772e723 SHA-1: d2394f4a84cd4e84dffcd4a110ad530f0a7734b4 SHA-256: d03f38703fe0fca6de6ff315e13f0a7dde31c14eced3428d4f831dc94d711112
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample was identified as malicious by ClamAV and an ML classifier, and it exhibits characteristics of an advance-fee scam. The presence of an external URI pointing to 'traffking.ru' suggests a potential command and control or redirection point for the scam. No scripts were extracted, limiting the analysis of specific execution behaviors.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/aws?utm_term=china+information+culture+communication%2528+k+ltd
    • https://kukezuleji.weebly.com/uploads/1/3/4/3/134361302/newobawitaloxugiz.pdf
    • https://cdn-cms.f-static.net/uploads/4386363/normal_5fa5f65e69531.pdf
    • https://cdn-cms.f-static.net/uploads/4422136/normal_5fae3e7705171.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/tonemakopinibem/download_eminem_album_music_to_be_murdered_by.pdf
    • https://uploads.strikinglycdn.com/files/283545f4-911b-4a74-bfbe-6e05b14fe7ee/nikopolelanasizizijol.pdf
    • https://uploads.strikinglycdn.com/files/c9b18ef4-7c1b-4ccb-b836-654a4aff7834/endless_frontier_revival_team.pdf
    • https://s3.amazonaws.com/pazovugal/the_outsiders_book_online_audio.pdf
    • https://s3.amazonaws.com/donarepemi/brushes_photoshop_cs6.pdf
    • https://s3.amazonaws.com/semuxemakaw/workplace_incident_report_form_qld.pdf
    • https://s3.amazonaws.com/jozaponi/autodesk_fusion_360_ultimate.pdf
    • https://s3.amazonaws.com/juzalizuvar/bafuxapelubug.pdf
    • https://s3.amazonaws.com/jipowumat/flat_belly_diet_cookbook.pdf
    • https://s3.amazonaws.com/tugumeb/gemokejowip.pdf
    • https://s3.amazonaws.com/nafibanefexex/religious_gifts_for_new_baby.pdf
    • https://s3.amazonaws.com/subud/mexilajobalixulokezeju.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002abfd.bin
77efbc3c208fd1eb9bb2c1589ecf0a009061919c228248e5ba7745b303ecf863		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABFD 11944 bytes
font_01_sfnt_off0002d311.bin
d82e23e61441d6f4ed0dd42a4d247252709aa1f461a094c77cc1e295ae24dcfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D311 5128 bytes
font_02_sfnt_off0002e45f.bin
3ee856a47e10d52f4c67d4a2218bbf9b858512cbe3800ff086a0406ca518e033		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E45F 17928 bytes
font_03_sfnt_off00031a2f.bin
2b9adf0305a348ecb2447ffe9a326d70a6b31687c9220f8d06bb4945a1868d54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31A2F 16552 bytes

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