Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0da77ab1d159681…

MALICIOUS

PDF

45.5 KB Created: 2020-07-31 20:42:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 25f081d9b0e13b1e9c32956c322307d2 SHA-1: 41f3f781a8e67ada41e8c5f74fc70906f3ddb807 SHA-256: d0da77ab1d159681142d56101dc6b508ca2cb513a30810356c5c90060443e043
158 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.cc' is identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=utsa+print+spot', suggesting a lure to a malicious site. The presence of urgency and download button lures further supports a phishing or malware delivery attempt.

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=utsa+print+spot
    • http://files.polished-professionals.com/uploads/1/3/1/6/131607522/busefonag.pdf
    • http://files.fortworthfirevolleyball.com/uploads/1/3/0/9/130969545/414142.pdf
    • http://files.miltmedia.com/uploads/1/3/1/8/131856380/tomerelumizuj.pdf
    • http://files.alivewhy.com/uploads/1/3/1/4/131410606/doxibozoxo.pdf
    • https://cdn.shopify.com/s/files/1/0435/7675/4344/files/genekixulenatazanip.pdf
    • https://cdn.shopify.com/s/files/1/0430/7510/9013/files/85676862952.pdf
    • https://cdn.shopify.com/s/files/1/0437/4993/3208/files/69702367443.pdf
    • https://cdn.shopify.com/s/files/1/0432/0316/6370/files/sogawegajimuxenukavufob.pdf
    • https://cdn.shopify.com/s/files/1/0437/7310/0184/files/futinisefujo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5152/4008/files/54676589433.pdf
    • https://cdn.shopify.com/s/files/1/0434/1540/4711/files/puvaxanemarawu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9204741539.pdf
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/38685613471.pdf
    • https://cdn.shopify.com/s/files/1/0429/2860/3295/files/24275560589.pdf
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/nitigigozirodewabomesogo.pdf
    • https://cdn.shopify.com/s/files/1/0440/8924/5861/files/zupufitixifuvipuregeza.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_off0000746f.bin
c668b20a64aed935cf0abdd6575122725091d9488641ec11904df12cf1fdf768		 pdf-font-stream PDF embedded font (sfnt) at offset 0x746F 4772 bytes
font_01_sfnt_off000084ba.bin
982e11f66d1905430d45501b7e6f7bbd11a0123ab9c5b63377a423c1811e4778		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84BA 10880 bytes

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