Malicious PDF — malware analysis report

Static analysis result for SHA-256 2567654f17c7d873…

MALICIOUS

PDF

195.1 KB Created: 2020-08-03 13:56:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 282176d43661f26adb17b0055ba83f69 SHA-1: ac55e5c0d0dc07192bbcf560e460085dafe42cf7 SHA-256: 2567654f17c7d8738026a69a134297c746d7cf1e5121124ba0540637bb8b7f63
70 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=bacteremia+guidelines+pdf'. The document body, though heavily obfuscated, appears to contain the same URL and text related to 'Bacteremia guidelines pdf', suggesting a lure to trick users into clicking the malicious link. The presence of urgency language further supports this phishing pretext. 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.
  • 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.cc/pify?keyword=bacteremia+guidelines+pdf
    • http://files.newlifeduarte.org/uploads/1/3/2/8/132814073/2365321.pdf
    • http://files.laurasayre.net/uploads/1/3/1/8/131872015/zibomowuwewokuvis.pdf
    • http://files.sacredstonez.com/uploads/1/3/1/0/131070604/6585321.pdf
    • https://cdn.shopify.com/s/files/1/0432/5274/4347/files/50737913124.pdf
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/46090998499.pdf
    • https://cdn.shopify.com/s/files/1/0435/8320/9631/files/zonuzapapegizewilipin.pdf
    • https://cdn.shopify.com/s/files/1/0431/1800/2340/files/wizard_spells_pathfinder.pdf
    • https://cdn.shopify.com/s/files/1/0441/3207/3624/files/9666142916.pdf
    • https://cdn.shopify.com/s/files/1/0427/5906/1670/files/dojizivu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6775/8999/files/95869564505.pdf
    • https://cdn.shopify.com/s/files/1/0431/1659/3312/files/kabivimuwo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8494/7357/files/black_and_decker_weed_eater.pdf
    • https://cdn.shopify.com/s/files/1/0430/2418/7549/files/rakifozarofapabuse.pdf
    • https://cdn.shopify.com/s/files/1/0430/4994/3202/files/reragum.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_off0002a4f5.bin
c40521b0a90a2dea71769e00ed325730227ed80dc2bfadaeb86c642a2276abba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4F5 5524 bytes
font_01_sfnt_off0002b7aa.bin
b216cda6dcd2150db2c7739871042e4899797d3939a07e26762b3f96f012aee9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7AA 15368 bytes
font_02_sfnt_off0002e8ab.bin
43dd7310e986e37c0562d6efd2a67b6291a0d41fa892ecd43b306c3e7231f7b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8AB 16148 bytes

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