Malicious PDF — malware analysis report

Static analysis result for SHA-256 c972cdfa5a82335f…

MALICIOUS

PDF

41.0 KB Created: 2020-08-03 13:14:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63d332d7fa7c91f7d973b245607b9393 SHA-1: ecbff352f67a829a5582ec07e5d0d75cbace31b1 SHA-256: c972cdfa5a82335fa7daf2939bf7cf0ee0c9bf4a24d5b6d07e6cd2318ba65493
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which point to a redirector infrastructure. The primary link, 'https://ttraff.com/pify?keyword=download+the+animator+s+survival+kit+pdf', is a known malicious redirector. This suggests the document is designed to funnel users to malicious content, likely for phishing or malware distribution. No scripts were extracted, limiting further analysis of the payload.

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=download+the+animator+s+survival+kit+pdf
    • http://files.wakefieldmeadows.org/uploads/1/3/0/7/130775518/gimozuxebu.pdf
    • http://files.intheribbonsshowclothing.com/uploads/1/3/2/7/132740778/pufeselevab.pdf
    • http://files.vexsens.com/uploads/1/3/0/7/130775846/waforumuwanaxogudo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8176/8872/files/10961829273.pdf
    • https://cdn.shopify.com/s/files/1/0427/8052/4710/files/metotojaziz.pdf
    • https://cdn.shopify.com/s/files/1/0432/9291/7924/files/66830283570.pdf
    • https://cdn.shopify.com/s/files/1/0432/3452/5352/files/27395055183.pdf
    • https://cdn.shopify.com/s/files/1/0437/9777/4497/files/fepomi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdf
    • https://cdn.shopify.com/s/files/1/0432/7538/7043/files/negifadufi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5391/6060/files/bawigizowabidavawifo.pdf
    • https://cdn.shopify.com/s/files/1/0428/1312/8871/files/pudiru.pdf
    • https://cdn.shopify.com/s/files/1/0432/0146/2436/files/61834016809.pdf
    • https://cdn.shopify.com/s/files/1/0428/0107/0247/files/2610356443.pdf
    • https://cdn.shopify.com/s/files/1/0433/0248/6180/files/8757906048.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dilos.pdf
    • https://cdn.shopify.com/s/files/1/0437/0196/0854/files/42860586834.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_off00005ce3.bin
f9e5369c58811f234f9d8e2b3a6d82737b1b2680694804983ff1b1dce61e4c86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE3 5496 bytes
font_01_sfnt_off00006f85.bin
657f62a6a68646c747d1e8555ca0c56051618c795d620e1735303409224d269f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F85 12180 bytes

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