Malicious PDF — malware analysis report

Static analysis result for SHA-256 86c4094c17427a5c…

MALICIOUS

PDF

41.5 KB Created: 2020-08-26 18:15:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 426dc990fe5537ae4c409d080c0ce9b7 SHA-1: dc28de1ad5d5dae7ce957958f73cd7a34d1fdb72 SHA-256: 86c4094c17427a5c0b75244101eb45ed9cd01c9d9ccae5c5df7539c8e7ee1ab2
120 Risk Score

Malware Insights

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

The PDF document contains a lure related to video game cheat codes, directing the user to a malicious URL. The document body is heavily obfuscated but contains the primary malicious URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm for SEO poisoning or traffic redirection. The primary malicious URL is https://ttraff.cc/pify?keyword=gta+5+lamborghini+cheat+xbox+1.

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=gta+5+lamborghini+cheat+xbox+1
    • http://files.americascoresseattle.org/uploads/1/3/1/6/131606815/motanes.pdf
    • http://bukujuwa.ensophysicaltheatre.com/uploads/1/3/2/7/132741508/6710777.pdf
    • http://jugefawed.lenoratrussell.com/uploads/1/3/1/4/131414661/6579635.pdf
    • http://tutepat.emotionsinwriting.com/uploads/1/3/1/6/131637027/43d979e5bc15f2.pdf
    • http://kofel.writingtotheworld.com/uploads/1/3/2/7/132740708/6145278.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5312/files/42025893121.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/magobusiriwolozun.pdf
    • https://cdn.shopify.com/s/files/1/0462/9037/0720/files/bonezotowixolivilixilu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8611/9079/files/maths_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0439/2851/8824/files/voguwosutiwifudol.pdf
    • https://cdn.shopify.com/s/files/1/0434/2602/1527/files/gutekigenevisemumigasuji.pdf
    • https://cdn.shopify.com/s/files/1/0435/2340/8023/files/larebeweraj.pdf
    • https://cdn.shopify.com/s/files/1/0439/2475/0504/files/47046278032.pdf
    • https://cdn.shopify.com/s/files/1/0430/8962/5250/files/58554464119.pdf
    • https://cdn.shopify.com/s/files/1/0433/6189/4565/files/loxulatizox.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_off000063f4.bin
997c870dd0e4478eda39600badd934eaf2f545c29d5d6eb252740f8e60a785f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63F4 5448 bytes
font_01_sfnt_off00007667.bin
e632ac776f53d097f877684f290b53e9752e1b576707c3a28b72d7148cd2e798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7667 10180 bytes

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