Malicious PDF — malware analysis report

Static analysis result for SHA-256 af326a16ef8fb605…

MALICIOUS

PDF

47.9 KB Created: 2020-08-04 07:24:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c6d9ed85e7208315d5f1d8679e8b4a3 SHA-1: b3f5bcaf94c4efbf0af0638a84dedcc15b2a37f8 SHA-256: af326a16ef8fb605d049bad19876ce8ee6aab19d49c331347fc6d1f3c935a8b1
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating it links to a known malicious redirector at 'ttraff.com'. The document body also contains this URL, along with numerous other PDF links hosted on Shopify, suggesting a link farm designed to obscure the true malicious destination. The primary intent appears to be redirecting the user to the malicious 'ttraff.com' URL, likely to deliver a subsequent payload or initiate a phishing attempt.

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.
  • 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.
  • 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=alucinaciones+y+delirios+pdf
    • http://files.profiledesigntooling.co.uk/uploads/1/3/2/6/132681479/5027124.pdf
    • http://files.trainkc.com/uploads/1/3/0/7/130739369/firetixikadufulo.pdf
    • http://files.columbiadentcenter.com/uploads/1/3/0/9/130969910/jubegonakajij-desagomabof-sateno-pikilolot.pdf
    • http://files.garypattersonarchitects.com/uploads/1/3/2/3/132303068/2571723.pdf
    • https://cdn.shopify.com/s/files/1/0429/0550/1852/files/59708352800.pdf
    • https://cdn.shopify.com/s/files/1/0435/4598/5192/files/65185265627.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kenetawibonilolususede.pdf
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/barrenador_del_aguacate.pdf
    • https://cdn.shopify.com/s/files/1/0434/4224/1688/files/35738025866.pdf
    • https://cdn.shopify.com/s/files/1/0437/7991/5934/files/xosidiwuxiwelowof.pdf
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/nickelback_all_the_right_reasons_songs.pdf
    • https://cdn.shopify.com/s/files/1/0430/0098/7801/files/75922103862.pdf
    • https://cdn.shopify.com/s/files/1/0430/8749/5321/files/goletadubo.pdf
    • https://cdn.shopify.com/s/files/1/0431/9569/5266/files/xiruwapejobi.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • https://medlineplus.gov/spanish/psychoticdisorders.html
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007026.bin
602ed18134d78915515ca1ab28c2a4d568b184aa6ecba4dc3ad521f15483a764		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7026 5040 bytes
font_01_sfnt_off0000814f.bin
f6dd1b6f7082cb3bfdc3507badb769966412ed969c6c416db8ae04ef462fdcc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x814F 10536 bytes
font_02_sfnt_off0000a345.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA345 4324 bytes

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