Malicious PDF — malware analysis report

Static analysis result for SHA-256 86c61f11d4d26a03…

MALICIOUS

PDF

44.4 KB Created: 2020-08-22 19:44:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a3f46534f52a576dc8be5762e04128a SHA-1: f78e8e704a35cf0c29fb5f6f1dd8dafb73c1faa2 SHA-256: 86c61f11d4d26a039334884929c9fa39e7d310031b4dc18b2fcfc243dff3e627
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link that redirects to a URL associated with malicious redirector infrastructure, specifically targeting users searching for 'minecraft 1.12.2 windows 10'. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute further malicious content. The primary malicious URL is ttraff.com, which is used in conjunction with a keyword search, indicating a phishing or scam attempt.

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=minecraft+1.+12+2++windows+10
    • http://files.hollenbackpianostudio.com/uploads/1/3/0/7/130775678/4919725.pdf
    • http://files.aim4tri.com/uploads/1/3/1/6/131636845/3e31b1271a4b2a.pdf
    • http://files.sterlingenterprisesllc.com/uploads/1/3/2/6/132681296/guwijore.pdf
    • https://cdn.shopify.com/s/files/1/0434/5331/7272/files/vehicle_insurance_details.pdf
    • https://cdn.shopify.com/s/files/1/0429/6704/0154/files/97513410516.pdf
    • https://cdn.shopify.com/s/files/1/0428/0261/0335/files/27958569770.pdf
    • https://cdn.shopify.com/s/files/1/0435/5594/6655/files/autocad_electrical_sample_drawings_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/9352/4637/files/51173966799.pdf
    • https://cdn.shopify.com/s/files/1/0434/2785/6536/files/xibiruvufatudip.pdf
    • https://cdn.shopify.com/s/files/1/0436/5117/0457/files/wutenev.pdf
    • https://cdn.shopify.com/s/files/1/0439/2943/6315/files/86114718484.pdf
    • https://cdn.shopify.com/s/files/1/0428/8544/7833/files/felel.pdf
    • https://cdn.shopify.com/s/files/1/0438/7697/4747/files/52380472469.pdf
    • https://cdn.shopify.com/s/files/1/0437/1644/4315/files/25780718543.pdf
    • https://cdn.shopify.com/s/files/1/0435/9513/7187/files/neon_trees_animal_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pajovi.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_off00006ef6.bin
b35f3413365441114c1617c8cdb5198f8a1ca6751d5477795c3c4d18a606ac24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF6 5436 bytes
font_01_sfnt_off00008196.bin
525decabc1e791f211e1289834d7ecbc20af50b3e3e51e2491d91dc26a34f74d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8196 10284 bytes

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