Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e65a6cc3853633f…

MALICIOUS

PDF

44.7 KB Created: 2020-08-08 02:33:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8959ae701c0623070d791132f85d85a8 SHA-1: 5e3724f843e3b0a3d153e868ce9877b233d4bcce SHA-256: 2e65a6cc3853633f8dfa01b21b480dc1235c6e6d1446ac6937c99da055273175
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=8+characteristics+of+living+things+pdf', which is flagged as a malicious redirector. This suggests the PDF's primary purpose is to redirect the user to a malicious site, likely for phishing or to download further malware. The presence of many links to Shopify and other file-hosting services indicates a link farm strategy to obscure the ultimate destination.

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.cc/pify?keyword=8+characteristics+of+living+things+pdf
    • http://files.inspiredbytwoworlds.com/uploads/1/3/2/6/132682787/motunalovewi_jesezuzuk_kupitit.pdf
    • http://files.breedinggoldenopportunities.com/uploads/1/3/1/4/131438348/lilisunipuxiwuvemoju.pdf
    • http://balad.adhdsolutionsforlife.com/uploads/1/3/1/6/131637136/8688288.pdf
    • http://ninugifa.theblessedlifeonline.com/uploads/1/3/2/7/132740362/d12bf8b.pdf
    • https://cdn.shopify.com/s/files/1/0431/4529/8080/files/gadexuga.pdf
    • https://cdn.shopify.com/s/files/1/0434/2644/7525/files/55954565628.pdf
    • https://cdn.shopify.com/s/files/1/0446/8968/6681/files/binding_of_isaac_rusted_key.pdf
    • https://cdn.shopify.com/s/files/1/0440/4979/3174/files/suxudaxevozomovem.pdf
    • https://cdn.shopify.com/s/files/1/0438/4191/2997/files/zesedabimulejavupowaje.pdf
    • https://cdn.shopify.com/s/files/1/0440/6122/9206/files/32358150434.pdf
    • https://cdn.shopify.com/s/files/1/0432/4504/3880/files/bedroom_vocabulary_english.pdf
    • https://cdn.shopify.com/s/files/1/0438/2756/0610/files/13181272847.pdf
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/automobile_engineering_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/6519/6197/files/coordinate_conjunctions.pdf
    • https://cdn.shopify.com/s/files/1/0430/6052/7265/files/isomerism_ncert.pdf
    • https://www.cancer.gov/coronavirus
    • 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_off000070ba.bin
8f2ae9753a1927a43b423a66a1590515bbcbba0a83e6c31c932e16bdd1d9ea1e
pdf-font-stream PDF embedded font (sfnt) at offset 0x70BA 5576 bytes
font_01_sfnt_off000083b7.bin
5f02a8d4c3412cdf46b3fd50e8460ac9e34281fe0615e7a95dceccf31f94f1c7
pdf-font-stream PDF embedded font (sfnt) at offset 0x83B7 9912 bytes