Malicious PDF — malware analysis report

Static analysis result for SHA-256 c07e262f091dc146…

MALICIOUS

PDF

42.3 KB Created: 2020-08-14 18:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4757c31837cab19f62ac89ff79dac03a SHA-1: dd5de44847424f300079af82f0e182b6443585dc SHA-256: c07e262f091dc146a73e27dcf2f6f3b5e088e00f493f204b61050f66b62bcf0f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=toni+braxton+please+mp4', indicating a likely lure to a malicious site.

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=toni+braxton+please+mp4
    • http://files.thefamilywellnesscentre.com/uploads/1/3/1/1/131164046/xerekur.pdf
    • http://files.dmdesigns-ny.com/uploads/1/3/1/4/131438002/lisejenov-xavafon-paxodi.pdf
    • http://files.gwwf.org/uploads/1/3/1/3/131379406/3067d.pdf
    • http://files.my-pleiadian-this-n-that.com/uploads/1/3/0/7/130740190/2163406.pdf
    • http://pigulufe.rsq-d.com/uploads/1/3/0/9/130968988/5600643.pdf
    • https://cdn.shopify.com/s/files/1/0428/9688/3868/files/cards_against_humanity_disney.pdf
    • https://cdn.shopify.com/s/files/1/0432/9072/2469/files/82577836049.pdf
    • https://cdn.shopify.com/s/files/1/0433/6464/7077/files/dekevisuveg.pdf
    • https://cdn.shopify.com/s/files/1/0432/6647/4139/files/34412446647.pdf
    • https://cdn.shopify.com/s/files/1/0431/7121/7565/files/driver_handbook_haitian_creole.pdf
    • https://cdn.shopify.com/s/files/1/0429/9125/5713/files/pinatesamukiralek.pdf
    • https://cdn.shopify.com/s/files/1/0432/9917/6612/files/nozaxifu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3462/3643/files/sabosizijafusalipibovodiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/1977/9742/files/18277214095.pdf
    • https://cdn.shopify.com/s/files/1/0434/6878/3766/files/dufux.pdf
    • https://cdn.shopify.com/s/files/1/0432/7964/6878/files/shabbat_bencher.pdf
    • https://cdn.shopify.com/s/files/1/0438/1445/3410/files/zakexonolo.pdf
    • https://cdn.shopify.com/s/files/1/0429/5963/4591/files/fanobajekifim.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004840.bin
85bdea8358ccdf525c98fa9c2b24322299f57f02cf5b1c12425f24f6c41b5c69
pdf-font-stream PDF embedded font (sfnt) at offset 0x4840 5208 bytes
font_01_sfnt_off000059dd.bin
49000c584d92d78f4a40edeb92a479006d6f0678b686eb7d71a0c1b732006ef6
pdf-font-stream PDF embedded font (sfnt) at offset 0x59DD 10164 bytes
font_02_sfnt_off00007c6b.bin
e58e8e8d3617fa2f52d62469859eb662c26c1c1537dc21f5cc6f1aa71eaa6aed
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C6B 18776 bytes