Malicious PDF — malware analysis report

Static analysis result for SHA-256 eac8c4abacebe866…

MALICIOUS

PDF

39.3 KB Created: 2020-08-14 22:21:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94e6d4c0f37dfada6e53663df14fd6d2 SHA-1: f5f4766008f49c1dc469164db6bba30fa8f96e52 SHA-256: eac8c4abacebe866b774d268ab5b3e5034d9324c5e2ad684d36700c0492081cd
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL is https://ttraff.com/pify?keyword=avery+shipping+label+template+5162, which is likely part of a phishing or scam campaign. The document body, though partially corrupted, contains references to shipping labels, reinforcing the lure. 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.com/pify?keyword=avery+shipping+label+template+5162
    • http://files.thatherbcompany.com/uploads/1/3/0/9/130969604/87d62965ab.pdf
    • http://files.rebeccadarlene.com/uploads/1/3/1/6/131606968/kipinute-dasuda-kogunukabiginag-segolejoxama.pdf
    • https://cdn.shopify.com/s/files/1/0431/2930/7296/files/lugaponefel.pdf
    • https://cdn.shopify.com/s/files/1/0431/2878/3002/files/risexoxaxinabu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45865267400.pdf
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/blacksmith_wow_classic_leveling_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/5289/1298/files/69276666950.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9080/files/danexapazodetomekiwifekel.pdf
    • https://cdn.shopify.com/s/files/1/0429/3358/4028/files/26677030811.pdf
    • https://cdn.shopify.com/s/files/1/0431/5791/3754/files/anemia_ferropenica_diagnostico.pdf
    • https://cdn.shopify.com/s/files/1/0437/1510/0822/files/6389190122.pdf
    • https://cdn.shopify.com/s/files/1/0428/5205/7244/files/docker_rails_deployment.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_off000051ef.bin
1368b11d39c6692045abf34571d81c748c9aec65145a5f4024e9bd55c6232e0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51EF 5984 bytes
font_01_sfnt_off00006636.bin
1fad54e5bbdcd0eb5a5c8893bf6069a5898607994c6dee38220b6fdb290a127c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6636 13384 bytes

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