Malicious PDF — malware analysis report

Static analysis result for SHA-256 5401b365141e7f3d…

MALICIOUS

PDF

42.7 KB Created: 2020-08-21 11:01:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87b4d81cdd70192b151f62c196a03132 SHA-1: 9d6e25bf752de07e0b5d251a1d9092ba01fe034d SHA-256: 5401b365141e7f3d2a767b6e021c5a13b93b611a229aaaea9b66a082a249b80a
120 Risk Score

Malware Insights

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

The PDF contains a prominent link to 'ttraff.cc', identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'Iams puppy food guide'. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination. The primary malicious link is https://ttraff.cc/pify?keyword=iams+puppy+food+guide, which likely leads to a phishing or malware distribution site.

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=iams+puppy+food+guide
    • http://files.talesntangents.com/uploads/1/3/2/7/132741556/e1786fe0f691.pdf
    • http://files.thetradewater.com/uploads/1/3/1/4/131406473/2788530.pdf
    • https://cdn.shopify.com/s/files/1/0429/9010/8833/files/11980394492.pdf
    • https://cdn.shopify.com/s/files/1/0436/8701/8649/files/rapuwusopumefanilolulesaf.pdf
    • https://cdn.shopify.com/s/files/1/0431/6830/1212/files/factorio_oil_ratios.pdf
    • https://cdn.shopify.com/s/files/1/0437/8954/9729/files/celebratory_dye_pack.pdf
    • https://cdn.shopify.com/s/files/1/0430/6888/3098/files/93048105203.pdf
    • https://cdn.shopify.com/s/files/1/0436/5497/1557/files/kovalozixepod.pdf
    • https://cdn.shopify.com/s/files/1/0437/6713/6408/files/xokuj.pdf
    • https://cdn.shopify.com/s/files/1/0446/7389/2515/files/generador_bibliografia_apa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89120948070.pdf
    • https://cdn.shopify.com/s/files/1/0440/5451/1766/files/minecraft_tornado_mod_1._7._10.pdf
    • https://cdn.shopify.com/s/files/1/0436/2957/6352/files/dnd_3._5_books.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_off00005d9c.bin
75b87ff2f8819276e2ca01bbc79fcbeeba9ed31c65790f6138ad61da28c1fc5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D9C 5272 bytes
font_01_sfnt_off00006f8c.bin
d958b30980d40f9e84a868f75012fa5c53b6d82bfa41523dc758bc2245cd025a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F8C 15208 bytes

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