Malicious PDF — malware analysis report

Static analysis result for SHA-256 3486be6c67a66e2b…

MALICIOUS

PDF

49.2 KB Created: 2020-08-01 15:27:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 36d035acb4e3d38c902e846714edca69 SHA-1: 409ab480c6c6baf9a0ac6eb8745d72997a9fed5c SHA-256: 3486be6c67a66e2ba23c7c289ee7a7040520ee62ccfbb79d113ec24f51124393
128 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting PDF files, and a critical redirector link to ttraff.cc. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=39+clues+maze+of+bones+pdf', suggesting a lure to a malicious redirector. The presence of a link farm and a redirector indicates an attempt to distribute malicious content or phish users.

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.cc/pify?keyword=39+clues+maze+of+bones+pdf
    • http://files.tepeyacinstitute.com/uploads/1/3/2/6/132681443/zajiw.pdf
    • http://files.katejohnstonacupuncture.com/uploads/1/3/0/7/130775921/zutixojiluropuju.pdf
    • http://files.stephaniehendersondesigns.com/uploads/1/3/2/7/132712315/2963041.pdf
    • http://files.needhamconcertsociety.org/uploads/1/3/1/4/131437157/945f98e54.pdf
    • http://files.heroicproducts.net/uploads/1/3/0/8/130814861/3b7355237e6202f.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdf
    • https://cdn.shopify.com/s/files/1/0435/8399/6063/files/pemanevozasariz.pdf
    • https://cdn.shopify.com/s/files/1/0429/4279/1839/files/70562272652.pdf
    • https://cdn.shopify.com/s/files/1/0431/4975/4519/files/28199064036.pdf
    • https://cdn.shopify.com/s/files/1/0435/1708/3803/files/wejuwatovuwezobuvej.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vevisip.pdf
    • https://cdn.shopify.com/s/files/1/0438/0763/7661/files/51591548471.pdf
    • https://cdn.shopify.com/s/files/1/0431/3445/1874/files/69180441974.pdf
    • https://cdn.shopify.com/s/files/1/0428/7873/0403/files/7203493988.pdf
    • https://cdn.shopify.com/s/files/1/0429/7408/5279/files/zopegufaxamemigamu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1537/2949/files/jadepazosusavadurotuga.pdf
    • https://cdn.shopify.com/s/files/1/0431/7632/9373/files/25422268278.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_off00008140.bin
c2ee54d58c7d8735cbc7a28969aceb6df4d85a2df4c4185c24505cfa2e0b0f9b
pdf-font-stream PDF embedded font (sfnt) at offset 0x8140 5620 bytes
font_01_sfnt_off00009449.bin
e52b224c1597ccda9f9ebc29e163ee7905f85cd974e920d18e79649018f6f879
pdf-font-stream PDF embedded font (sfnt) at offset 0x9449 10308 bytes