Malicious PDF — malware analysis report

Static analysis result for SHA-256 30966df9048c6240…

MALICIOUS

PDF

41.6 KB Created: 2020-08-10 03:02:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5cbde5e8b2ad07273c24444779d86379 SHA-1: ac92909a441741740a70ccd6c8c3410d80dbf20b SHA-256: 30966df9048c624045aed0db20dbc7bbf85e820dd5c616867bf71b29a8430111
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. This suggests the document's primary purpose is to redirect users to malicious sites. The presence of a link farm and urgency lures further support this. No scripts were extracted, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 4

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=bafang+bbs02b+pdf
    • http://files.gpstrack.ie/uploads/1/3/0/9/130969818/silozomep.pdf
    • http://files.thepercolator.net/uploads/1/3/0/8/130813317/firor_nufariv_rajiduwavaze.pdf
    • http://desag.daniellevannucci.com/uploads/1/3/2/6/132695569/fb95091dd0b55.pdf
    • http://files.banyantreeyt.com/uploads/1/3/1/3/131382907/8f4a64f3eb.pdf
    • http://files.marissameizz.com/uploads/1/3/0/7/130775520/d6eca45af3e95.pdf
    • https://cdn.shopify.com/s/files/1/0431/0538/6647/files/application_for_employment_format.pdf
    • https://cdn.shopify.com/s/files/1/0434/4017/7314/files/zibitawom.pdf
    • https://cdn.shopify.com/s/files/1/0432/4311/0555/files/vuvikusaximubujupajuzek.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesani.pdf
    • https://cdn.shopify.com/s/files/1/0430/7540/3936/files/waliv.pdf
    • https://cdn.shopify.com/s/files/1/0432/4959/8632/files/87535124659.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wofizafadunemewu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0460/8155/files/82832401101.pdf
    • https://cdn.shopify.com/s/files/1/0432/6499/9588/files/rugudojuvivujojowoz.pdf
    • https://cdn.shopify.com/s/files/1/0448/4956/1757/files/foods_to_fight_cancer.pdf
    • https://cdn.shopify.com/s/files/1/0428/8102/4159/files/pugegolupikozejupabewi.pdf
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/logical_assumption_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0434/2192/5537/files/59277123282.pdf
    • https://cdn.shopify.com/s/files/1/0429/8987/9445/files/xenoworivevonawape.pdf
    • https://cdn.shopify.com/s/files/1/0434/6799/7344/files/xitusosul.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/
    • https://cdn.shopify.com/s/files/1/0432/4959/8632/f

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061aa.bin
38b3035ec3ba3908d2e90185404c9a720da83929a0e0bb866260beefab0462ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61AA 5544 bytes
font_01_sfnt_off0000749e.bin
e58af5b4b8ac3f6045d37ed4e5c6ab075de1e1c4515b3c116c14b5e0d1f43ebf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x749E 10772 bytes

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