Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e130fd9061d38d9…

MALICIOUS

PDF

50.6 KB Created: 2020-08-09 17:18:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ae7d4a59d354c2c723c2b7edc039a78 SHA-1: dc72283ed6c59691be73df3afa9130bb291ad3da SHA-256: 4e130fd9061d38d91493fe72affba6ceb9d8469251733d16a0453a10c03bf887
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing:Spearphishing Attachment T1204.002 Malicious Link:Malicious File

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'https://ttraff.cc/pify?keyword=scaramouche+jones+script+pdf'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. While no scripts were extracted, the presence of the malicious redirector and the sheer volume of links indicate a high likelihood of malicious intent, possibly to lure users to malicious sites or download further payloads.

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=scaramouche+jones+script+pdf
    • http://files.loveandmercyfdc.com/uploads/1/3/1/8/131857071/tazowirujuvimi.pdf
    • http://files.marylandrealestatewholesalers.com/uploads/1/3/1/4/131437615/8351700.pdf
    • http://files.ozgreetings2.com/uploads/1/3/1/8/131872104/liruduratudozij-sasugifesenof-sudir-fanoxoretoj.pdf
    • https://cdn.shopify.com/s/files/1/0434/8693/7253/files/building_floor_plans.pdf
    • https://cdn.shopify.com/s/files/1/0431/3396/0341/files/alcoholismo_y_drogadiccion_causas_y_consecuencias.pdf
    • https://cdn.shopify.com/s/files/1/0431/7849/2072/files/mujuboremonusatoniko.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/mk_vs_dc_universe_moves.pdf
    • https://cdn.shopify.com/s/files/1/0427/5788/2022/files/banking_and_finance_course_outline.pdf
    • https://cdn.shopify.com/s/files/1/0435/6302/4542/files/41384358784.pdf
    • https://cdn.shopify.com/s/files/1/0432/0785/2192/files/zelejegap.pdf
    • https://cdn.shopify.com/s/files/1/0433/2421/1354/files/38525690491.pdf
    • https://cdn.shopify.com/s/files/1/0430/6416/4506/files/guxep.pdf
    • https://cdn.shopify.com/s/files/1/0435/9726/7112/files/dafalomidavabakurepok.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9959313526.pdf
    • https://cdn.shopify.com/s/files/1/0430/9493/3665/files/63533933271.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_off00008853.bin
60eb1abe35aa7d1cc9a5d9b4a5bd139fe86043394fc9f5518c566dac33f01172		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8853 5544 bytes
font_01_sfnt_off00009b11.bin
4caa8f365a5919d73c5ad207f534f0ab6200547a9de66c178de06aad14336221		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B11 10200 bytes

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