Malicious PDF — malware analysis report

Static analysis result for SHA-256 419c99dcb6cb6dd4…

MALICIOUS

PDF

35.6 KB Created: 2020-08-05 06:47:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 747b7cd3409b06c8d863efa4f9bf3d99 SHA-1: 57eeec75c367b68c83187ab7802fa0cbc028d471 SHA-256: 419c99dcb6cb6dd4168e05a09980610caa3b32daa24246ee0e9ad25017c10971
120 Risk Score

Malware Insights

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

The PDF contains numerous external links, with a critical heuristic identifying a malicious redirector. The primary malicious URL is https://ttraff.cc/pify?keyword=paris+ratp+bus+map+pdf, which is likely used to funnel users to a phishing or malware distribution site. The document body contains garbled text but includes the malicious URL and benign-looking Shopify URLs, suggesting a lure to disguise the malicious intent. No scripts were extracted, limiting the analysis of direct payload execution.

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=paris+ratp+bus+map+pdf
    • http://files.mequhi.com/uploads/1/3/0/8/130814390/nisudaleda-sujebabi-razafudef-pigigutirapal.pdf
    • http://files.root2riseyogaandfitness.com/uploads/1/3/1/8/131871864/rewijigigi-sirojojavuv-minepivajikota.pdf
    • http://files.messiahlutheranmqt.org/uploads/1/3/1/3/131398406/21ddd.pdf
    • http://files.mjankauski.com/uploads/1/3/1/3/131384575/lowumavaxebalofekole.pdf
    • https://cdn.shopify.com/s/files/1/0427/9956/2911/files/27952821533.pdf
    • https://cdn.shopify.com/s/files/1/0431/7193/8461/files/72083141722.pdf
    • https://cdn.shopify.com/s/files/1/0431/6410/6909/files/numewepuvavadabej.pdf
    • https://cdn.shopify.com/s/files/1/0428/5353/1807/files/5046761328.pdf
    • https://cdn.shopify.com/s/files/1/0434/7900/7384/files/zopojonupemin.pdf
    • https://cdn.shopify.com/s/files/1/0438/3942/2626/files/53558100698.pdf
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/jinuwimazuvafagew.pdf
    • https://cdn.shopify.com/s/files/1/0432/9373/7118/files/balopanesut.pdf
    • https://cdn.shopify.com/s/files/1/0440/8328/2070/files/kejuredutujubukudux.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/favubedezemopazejive.pdf
    • https://cdn.shopify.com/s/files/1/0427/6987/5111/files/81821551946.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_off00004af7.bin
39679ce9cb9e15376f9b8aae1524282159720118ff53d1a671dfd2b9df141f9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4AF7 5296 bytes
font_01_sfnt_off00005cda.bin
042bdede32009239357af2292f0697d16cb426db561705ab7c8ae3b7baac3f68		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDA 11876 bytes

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