Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa85d7873cc694c7…

MALICIOUS

PDF

447.3 KB Created: 2020-08-03 22:52:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e899e616ad148667d87dfcaeaab390b SHA-1: de32a5756c0b1607a2d449e23a89ea07dbfb1c87 SHA-256: aa85d7873cc694c7e3c388915904b2d3d6960d07a03a23e67365aa6877a1a8e9
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=autocrat+of+the+breakfast+table+pdf'. This URL is associated with an advance-fee scam lure, as indicated by another heuristic. The document body, though heavily obfuscated, contains this URL, suggesting the primary intent is to redirect the user to a malicious site for fraudulent purposes.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.com/pify?keyword=autocrat+of+the+breakfast+table+pdf
    • http://files.thenewblendworthcentre.com/uploads/1/3/2/3/132302732/bawesaxamebume.pdf
    • http://files.centexautomotiverestoration.com/uploads/1/3/0/9/130969480/sodevunafen.pdf
    • http://dumil.kingdomcorporateministries.com/uploads/1/3/1/4/131438539/4107436.pdf
    • http://buluv.paigefishman.com/uploads/1/3/1/4/131438137/nepov.pdf
    • https://cdn.shopify.com/s/files/1/0431/8471/7979/files/24760686155.pdf
    • https://cdn.shopify.com/s/files/1/0433/3341/9166/files/what_is_referent_power.pdf
    • https://cdn.shopify.com/s/files/1/0434/4479/7606/files/33270237768.pdf
    • https://cdn.shopify.com/s/files/1/0429/1795/3702/files/paxuxefuzuf.pdf
    • https://cdn.shopify.com/s/files/1/0430/8982/1847/files/rizibajemomulanuzo.pdf
    • https://cdn.shopify.com/s/files/1/0430/5921/6537/files/13652478478.pdf
    • https://cdn.shopify.com/s/files/1/0430/3329/7058/files/30196275046.pdf
    • https://cdn.shopify.com/s/files/1/0428/3911/3895/files/83405554118.pdf
    • https://cdn.shopify.com/s/files/1/0438/5095/6960/files/83304813776.pdf
    • https://cdn.shopify.com/s/files/1/0433/7595/2030/files/vopefi.pdf
    • https://cdn.shopify.com/s/files/1/0435/5869/9159/files/3am_matchbox_20.pdf
    • https://cdn.shopify.com/s/files/1/0428/1214/5830/files/pitabalaj.pdf
    • https://cdn.shopify.com/s/files/1/0429/1277/6351/files/xebadosajaraboviresiz.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006b4c6.bin
2eab2ad78322a812158de6e06020e38d56e124e4a6308778333a87b47318a648		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B4C6 5436 bytes
font_01_sfnt_off0006c737.bin
262b8031ef081b33b1345903fd02898d0d4c9bd0005afa30c41d296c914f7c89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C737 11504 bytes

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