Malicious PDF — malware analysis report

Static analysis result for SHA-256 b025d3a05a7c2a6d…

MALICIOUS

PDF

42.0 KB Created: 2020-08-08 23:40:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2d4bc6f4a11a4c03db463010e6314ee2 SHA-1: d29c93e45621cc4dc797eae6c709d801b78745fd SHA-256: b025d3a05a7c2a6db5e6431674dfefde32b0a23588cd463a1c4acae926fa69a5
130 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link to 'ttraff.com' is identified as a malicious redirector. The document body, though heavily obfuscated, contains the same lure text as the malicious URL, suggesting a social engineering attempt to trick users into clicking the link. The primary intent appears to be directing users to a malicious site via the 'ttraff.com' URL, likely for phishing or malware distribution.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=able+to+extract+pdf+converter+apk
    • http://files.dentalequipmentshop.com/uploads/1/3/1/8/131871705/kisepiritemuli.pdf
    • http://files.akira-handmade.com/uploads/1/3/1/6/131636689/4d8d9d075b51c.pdf
    • http://momivupo.keydestinationevents.com/uploads/1/3/1/6/131607163/mamilodizori.pdf
    • http://kudas.miraclecreations.shop/uploads/1/3/0/9/130969742/3991400.pdf
    • http://files.mainlinepilatesandyoga.com/uploads/1/3/1/3/131380251/a2c8c0a.pdf
    • https://cdn.shopify.com/s/files/1/0429/6926/8383/files/wunobugorijukow.pdf
    • https://cdn.shopify.com/s/files/1/0427/9923/5228/files/20421848201.pdf
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/58531858066.pdf
    • https://cdn.shopify.com/s/files/1/0435/7718/0328/files/sipesotogiw.pdf
    • https://cdn.shopify.com/s/files/1/0437/3060/0090/files/soropakoxubonunak.pdf
    • https://cdn.shopify.com/s/files/1/0431/2249/1553/files/82619817080.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/marifurozijuzaledenikegi.pdf
    • https://cdn.shopify.com/s/files/1/0430/4489/6917/files/brooklyn_99_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0433/2974/9145/files/vexitaxikovafiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/8583/2096/files/61702778678.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_off0000656c.bin
bb62b445e3b292d0e16ed95aec5c23f05e721945da4442d3d5d76abd6b69aa0e
pdf-font-stream PDF embedded font (sfnt) at offset 0x656C 5292 bytes
font_01_sfnt_off00007781.bin
dee0e33667f663a1848c8380a722fa5f9e3373f673d899c9022bbb6bdf2d27a5
pdf-font-stream PDF embedded font (sfnt) at offset 0x7781 10360 bytes