Malicious PDF — malware analysis report

Static analysis result for SHA-256 223f087ba03e6512…

MALICIOUS

PDF

34.0 KB Created: 2020-08-18 21:11:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41b4922727a146b998d2194086039b4d SHA-1: 978f2c560b8190a8dd18e717a3ff7d2a509be94c SHA-256: 223f087ba03e65124334a9c62d657fab376569dfa7d9ca136e6b37fd748c3873
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying it as a PDF link farm. One of the primary links, 'https://ttraff.com/pify?keyword=aditya+name+hd+wallpaper', points to a known malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a lure to a malicious site disguised as content. No scripts were extracted from this sample.

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=aditya+name+hd+wallpaper
    • http://fomepepu.ngravinggifts.shop/uploads/1/3/2/7/132710567/gakopame.pdf
    • http://falezomig.hometowncommunityins.com/uploads/1/3/0/8/130874431/314576.pdf
    • http://files.vq.com/uploads/1/3/0/9/130969498/2138791.pdf
    • https://cdn.shopify.com/s/files/1/0432/9000/1572/files/ketazaribiromimek.pdf
    • https://cdn.shopify.com/s/files/1/0433/4800/0927/files/cherrypickers_guide_to_rare_die_varieties.pdf
    • https://cdn.shopify.com/s/files/1/0433/3630/2750/files/standard_form_slope.pdf
    • https://cdn.shopify.com/s/files/1/0437/9167/9639/files/losevawoloto.pdf
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/29551802553.pdf
    • https://cdn.shopify.com/s/files/1/0434/3191/9783/files/zamuke.pdf
    • https://cdn.shopify.com/s/files/1/0433/7719/7221/files/30805305268.pdf
    • https://cdn.shopify.com/s/files/1/0449/0631/5943/files/how_to_get_cosmic_energy.pdf
    • https://cdn.shopify.com/s/files/1/0437/9328/5277/files/xiwejakokipukuxovoduzeba.pdf
    • https://cdn.shopify.com/s/files/1/0439/4621/3544/files/budekovatexuxivil.pdf
    • https://cdn.shopify.com/s/files/1/0434/5472/6310/files/sopaz.pdf
    • https://cdn.shopify.com/s/files/1/0434/0213/3671/files/electric_machinery_fitzgerald_solution_manual.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_off000046e0.bin
e41af31d279ccc895286c49086b5fd17c6983d8cf5484ee3e4db6a5dce322918		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46E0 5204 bytes
font_01_sfnt_off00005878.bin
d6d89b2835349f1bd2471d3bd3ba9b287acad63a464932a18fa40f24afbffed4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5878 10224 bytes

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