Malicious PDF — malware analysis report

Static analysis result for SHA-256 e97178e27eaf27a0…

MALICIOUS

PDF

43.0 KB Created: 2020-08-21 20:12:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ea16f2b82ada265cc89166d6672dac1 SHA-1: a81aadb7b2602495272ef7c11e6869f0d774dace SHA-256: e97178e27eaf27a063fc4b6a065667e57a0770787994ae65896456c3bc937fe5
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, ttraff.com, with a query parameter suggesting a lure for 'odia sai bhajan video'. The file also exhibits characteristics of a link farm, embedding numerous external PDF links, many hosted on Shopify. While no scripts were extracted, the primary malicious behavior appears to be the redirection to a potentially harmful site, likely for phishing or malware distribution.

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=odia+sai+bhajan+video
    • http://files.socalsaddlery.com/uploads/1/3/2/6/132681359/9cc0b97e.pdf
    • http://files.iamndistrict.org/uploads/1/3/1/4/131414743/muvubepunafoses.pdf
    • http://dofajut.mattmonfettlaxcamp.com/uploads/1/3/2/6/132696067/2390608.pdf
    • https://cdn.shopify.com/s/files/1/0432/9432/6939/files/fomaguxirivus.pdf
    • https://cdn.shopify.com/s/files/1/0429/5108/2143/files/xivekobukijatavug.pdf
    • https://cdn.shopify.com/s/files/1/0429/8797/8913/files/60776703756.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5962/files/kefepapat.pdf
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/sadinibidarijutepeka.pdf
    • https://cdn.shopify.com/s/files/1/0434/0298/5626/files/38701704994.pdf
    • https://cdn.shopify.com/s/files/1/0431/2062/3765/files/asme_standards_for_valves.pdf
    • https://cdn.shopify.com/s/files/1/0428/6555/7670/files/adobe_illustrator_splatter_brushes_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/3192/8740/files/36103136421.pdf
    • https://cdn.shopify.com/s/files/1/0429/0818/8839/files/autocad_2007_drawing_tutorial.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047b6.bin
9f5f738a0617cab6b11ce25f0450365eb3ab266b0c77828747c0e0540e294988		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47B6 5088 bytes
font_01_sfnt_off00005906.bin
b91f3c26f37c28538ed09035cbea6f9221827f1e30b50c452f08cc820bcc167b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5906 3720 bytes
font_02_sfnt_off00006468.bin
7252b475bd317d0ba7a76d314d4adee3a6d9774d0eca5fb728734f435b3d7176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6468 9532 bytes
font_03_sfnt_off00008538.bin
b396a3b61e991135f8bf3da37b4ca012ed0550de98c496633cac01ae364560a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8538 7544 bytes

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