Malicious PDF — malware analysis report

Static analysis result for SHA-256 37327db0e3a5d96c…

MALICIOUS

PDF

47.0 KB Created: 2020-07-31 10:31:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8afd83174fc2b635ee8adc2c2bfb2b58 SHA-1: 6f51aa5c3dfc45c42726e174fd1b67447647def0 SHA-256: 37327db0e3a5d96c57f4371bc73af84e30e92bb748ba92a65c4b461ac9acaa54
120 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link that points to 'ttraff.com'. This link is presented within the document body, disguised as a storyboard example. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the malicious nature of the destination. Additionally, the 'PDF_SEO_LINK_FARM' heuristic indicates the presence of numerous external PDF links, suggesting a tactic to distribute malicious content or manipulate search engine results.

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=storyboard+examples+for+short+stories+pdf
    • http://files.foto4funphotography.com/uploads/1/3/1/6/131637254/lelalizisi.pdf
    • http://files.awarechoices.com/uploads/1/3/1/3/131384771/4938061.pdf
    • http://files.bobbycarpenterllc.com/uploads/1/3/2/6/132696112/vusidozes-tisenubujorux.pdf
    • http://files.activemindsucla.com/uploads/1/3/1/4/131453053/fegobelupubevelo.pdf
    • http://files.braverthanthewaves.com/uploads/1/3/1/4/131453807/5359755.pdf
    • http://files.foto4funphotography.com/uploads/
    • https://cdn.shopify.com/s/files/1/0430/8090/8951/files/93445379257.pdf
    • https://cdn.shopify.com/s/files/1/0430/0842/6147/files/vewuvigiditafuseduluso.pdf
    • https://cdn.shopify.com/s/files/1/0432/0316/6369/files/tubizekot.pdf
    • https://cdn.shopify.com/s/files/1/0430/6717/9165/files/refemeletux.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagitigupi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70354855800.pdf
    • https://cdn.shopify.com/s/files/1/0437/6012/4061/files/63863104681.pdf
    • https://cdn.shopify.com/s/files/1/0435/5280/0920/files/38196232899.pdf
    • https://cdn.shopify.com/s/files/1/0430/6580/2905/files/xumatetek.pdf
    • https://cdn.shopify.com/s/files/1/0431/8530/7805/files/36297479593.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_off000079d9.bin
427618adac48162410d2c52319650cb536c41ac0062aa47340510761b011683a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79D9 5376 bytes
font_01_sfnt_off00008c25.bin
6a46b79fbc0da074cc9d62d9d480641a8d332a71017b250e0faba6a9504309dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C25 10136 bytes

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