Malicious PDF — malware analysis report

Static analysis result for SHA-256 329b050e13b6329b…

MALICIOUS

PDF

36.3 KB Created: 2020-08-02 22:24:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 476bb422fdc3421a3d3265d6fc2310fb SHA-1: 21220205d135239f6d0d971f5358b668c63633cd SHA-256: 329b050e13b6329b30459d4a794a5642926bc7f7e69b234b8406f0456df7bc39
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=gina+lynn+throated' which is flagged as malicious. The presence of a link farm suggests an attempt to lure users to potentially harmful content. No scripts were extracted from this sample.

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=gina+lynn+throated
    • http://files.thedetour.org/uploads/1/3/0/8/130873965/falefaw_bagerifopeve_xevizawadek_texisijupefar.pdf
    • http://files.fdlrc.org/uploads/1/3/0/7/130775002/judoxu.pdf
    • http://files.achirohealth.com/uploads/1/3/1/4/131437535/fefadadiluboxap-liseku-puger-jixinopo.pdf
    • https://cdn.shopify.com/s/files/1/0428/3976/9254/files/hedonism_bot_meme.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdf
    • https://cdn.shopify.com/s/files/1/0428/0185/6668/files/nuzosasoj.pdf
    • https://cdn.shopify.com/s/files/1/0431/1462/7223/files/38253856744.pdf
    • https://cdn.shopify.com/s/files/1/0429/9957/8773/files/11843877933.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vinupagudesezubinu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2523/5111/files/todasejonez.pdf
    • https://cdn.shopify.com/s/files/1/0430/4309/4677/files/kufedexulisija.pdf
    • https://cdn.shopify.com/s/files/1/0438/9833/9496/files/16545179606.pdf
    • https://cdn.shopify.com/s/files/1/0437/3735/0309/files/11843408117.pdf
    • https://cdn.shopify.com/s/files/1/0428/4104/7206/files/50054291884.pdf
    • https://cdn.shopify.com/s/files/1/0428/6126/5062/files/vorenenidigifoloton.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_off00005114.bin
011d64f5bdde1fb388c23be1461bcbf80a7984b8ca1bda2996ab611c93f55fe7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5114 4868 bytes
font_01_sfnt_off0000619f.bin
a63394ba66886664dad139ac1624638d02b2443d9bcc08ebdf1c436baabc1ff9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x619F 10236 bytes

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