Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ee8865624f4c84…

MALICIOUS

PDF

48.3 KB Created: 2020-08-31 21:24:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 457e2e5efa2cf379e56da5ea099bef11 SHA-1: b32a1d899c9376ea7405299407f418597316aaea SHA-256: 47ee8865624f4c84f1b9ab022363e817e1d8ca27113f99c3da78e305aa796258
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text related to 'action first person shooter games for android' and a URL that appears to be a lure. The primary malicious URL identified is ttraff.cc, which is known to host redirectors. The file's structure and the presence of numerous links suggest a link farm or redirection attack designed to lead users to malicious content.

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/wix?keyword=action+first+person+shooter+games+for+android
    • https://static.usrfiles.com/ugd/b8c837_9606e8de32fc4678b6a6a434a3988853.pdf
    • https://static.usrfiles.com/ugd/b8c837_1c31454b5c9f4623b96c73110c8518bf.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0d94ff95558444b8022f497068e32ae.pdf
    • https://static.usrfiles.com/ugd/0c268c_1885bf3a2b5d48aea72cb31fa4242615.pdf
    • https://static.usrfiles.com/ugd/e745be_1fbe667f26534da194063d2e3aaf6569.pdf
    • https://static.usrfiles.com/ugd/2ac701_2936124796e3448d88149de890f29a35.pdf
    • https://static.usrfiles.com/ugd/158fb9_b11b4c68e418470b8b55be9af58d7d8e.pdf
    • https://static.usrfiles.com/ugd/5438e3_616662c6b7fc4014872eb94fd9846cf2.pdf
    • https://static.usrfiles.com/ugd/c63dba_bb350fb5c7b94c8ab1c2801624a00d1b.pdf
    • https://cdn.shopify.com/s/files/1/0433/6300/8664/files/health_economics_jay_bhattacharya.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5737/files/bavovekun.pdf
    • https://cdn.shopify.com/s/files/1/0428/4828/8934/files/31377475869.pdf
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/35309600986.pdf
    • https://cdn.shopify.com/s/files/1/0428/9606/4671/files/tuwanibolibowojulamozor.pdf
    • https://cdn.shopify.com/s/files/1/0435/1967/2472/files/85054246233.pdf
    • https://cdn.shopify.com/s/files/1/0435/8553/6161/files/kuzewima.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_off00007e9b.bin
29f8442aaaaf08bc08fe3200892488d035bf105841f204579e2ce49fa81be81a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E9B 5528 bytes
font_01_sfnt_off00009141.bin
0f1b64d0bebe283510934ad7958073c623e7abdee768940cb587668efef85ee8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9141 10640 bytes

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