Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9dd6bbd25731a84…

MALICIOUS

PDF

39.9 KB Created: 2020-08-02 22:52:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e802d6eb4ab2d4953bbedfca988e0d7 SHA-1: c36541b747bee32e495a887b51055e3799983f26 SHA-256: b9dd6bbd25731a84ed7b8dd55c27b494bdff60f80423f5a0a61a768c1cc5ded0
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a malicious redirector link. It also contains a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=lost+izalith+map', which likely serves as a redirector to further malicious 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=lost+izalith+map
    • http://files.watchedproductions.com/uploads/1/3/0/8/130874489/giligewezupale-bowazamas.pdf
    • http://files.jerodbogh.com/uploads/1/3/0/7/130775668/4711468.pdf
    • http://files.follow-the-yellow.com/uploads/1/3/0/7/130775413/4199597.pdf
    • https://cdn.shopify.com/s/files/1/0431/6089/5650/files/87093609802.pdf
    • https://cdn.shopify.com/s/files/1/0431/8865/0142/files/63852961936.pdf
    • https://cdn.shopify.com/s/files/1/0433/4629/6985/files/89521039792.pdf
    • https://cdn.shopify.com/s/files/1/0433/8286/6072/files/38937916238.pdf
    • https://cdn.shopify.com/s/files/1/0427/5827/5238/files/86148503874.pdf
    • https://cdn.shopify.com/s/files/1/0431/7442/8827/files/zazipegajalojuvodelovupuz.pdf
    • https://cdn.shopify.com/s/files/1/0429/5714/4230/files/96593598752.pdf
    • https://cdn.shopify.com/s/files/1/0428/0382/2755/files/pivenu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3259/2040/files/fuzetozeletunovir.pdf
    • https://cdn.shopify.com/s/files/1/0432/2168/0283/files/32307935028.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_off00006146.bin
49d3e6df280c23d5bbe5982598cf9c45d00c5fac928156cc5c4abc1458ce362a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6146 4952 bytes
font_01_sfnt_off00007200.bin
5c52ebcd1bcf6d533fa9ac6b8ba6e99bf1700df0c15e4de48aa4d8126c32919f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7200 9716 bytes

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