Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fd346ee5760b939…

MALICIOUS

PDF

42.2 KB Created: 2020-08-01 10:11:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fea5c2ce7f54e6b9e3ddb7cdc8f86a7 SHA-1: 3775bacc3b3594b590c0b38a8b9f3a221bc20adc SHA-256: 2fd346ee5760b939d2dbe0cd48c847863922fbf99417722368efd04686a319d4
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=5th+edition+d%2526+d+monster+manual+pdf`. This URL is likely used to redirect the user to a malicious site. The document body also contains this URL and other links hosted on `cdn.shopify.com`, suggesting a link farm or content delivery network used to host malicious or deceptive content. The overall pattern indicates a phishing or social engineering attack using a lure related to a popular game manual.

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=5th+edition+d%2526+d+monster+manual+pdf
    • http://files.tasmanianpolarnetwork.com/uploads/1/3/1/4/131438240/da97367f3.pdf
    • http://files.franklinyouthfootball.org/uploads/1/3/1/8/131871871/gamobenarevufoj.pdf
    • http://files.vztango.com/uploads/1/3/1/4/131407635/ba6665669a58a1.pdf
    • http://files.multiservicesuk.com/uploads/1/3/1/4/131438059/rezosus_tuvujugefos_fifaf_newumepativu.pdf
    • http://files.armsoflife.com/uploads/1/3/1/4/131437987/rexid.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/55200875512.pdf
    • https://cdn.shopify.com/s/files/1/0434/4292/9821/files/23387376121.pdf
    • https://cdn.shopify.com/s/files/1/0433/0238/7867/files/tunemevisomanemuremel.pdf
    • https://cdn.shopify.com/s/files/1/0433/0556/6366/files/dixuroxinekofozovim.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
    • https://cdn.shopify.com/s/files/1/0436/3390/1726/files/wowofem.pdf
    • https://cdn.shopify.com/s/files/1/0430/5331/8298/files/fepiwenepijivitu.pdf
    • https://cdn.shopify.com/s/files/1/0437/4138/0769/files/xavibunopugadopo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98572357872.pdf
    • https://cdn.shopify.com/s/files/1/0430/8749/5321/files/58854289272.pdf
    • https://cdn.shopify.com/s/files/1/0429/6949/7753/files/kaxixerofakabovivit.pdf
    • https://cdn.shopify.com/s/files/1/0428/3547/6636/files/loropol.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5085/files/xazamikedowinugu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0172/4580/files/mulejer.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_off00006729.bin
5faab07c54bfa361c89bf1a9902bc8fe2c8fcaabf21e6f8aedbc888267fea9f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6729 4428 bytes
font_01_sfnt_off00007636.bin
bafb8cfa1c29a865f57672361c080c7b55a68baab25589577fe19a196877b5f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7636 11252 bytes

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