Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0bb65ee543117ec…

MALICIOUS

PDF

101.6 KB Created: 2020-07-28 00:16:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66364deacca154a80458e75e43f2431d SHA-1: d00d7a99448a8f93a7ea2efac9616d73f1d33cf6 SHA-256: b0bb65ee543117ecb999942971a114ee97473abd0c92b50c03135da09ca88ff0
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. Additionally, it exhibits a PDF link farm pattern, with numerous links to Shopify-hosted PDFs, suggesting an attempt to manipulate search engine results or distribute content. The presence of urgency language further supports a malicious intent, likely to lure users into clicking the malicious redirector.

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.cc/pify?keyword=b%2526+k+2260+investigator+manual
    • http://files.cookingnutritionseattle.com/uploads/1/3/1/0/131070178/retowi-fewiw-zepof-mokuvedeso.pdf
    • http://files.gethilineinsurance.com/uploads/1/3/0/7/130739978/pimonezakasusozekazu.pdf
    • http://files.kathrynemyoung.com/uploads/1/3/1/0/131071076/porewuvofadaxa.pdf
    • https://cdn.shopify.com/s/files/1/0432/2567/7982/files/vujogaraxigej.pdf
    • https://cdn.shopify.com/s/files/1/0430/2998/7489/files/vasujimifixutexed.pdf
    • https://cdn.shopify.com/s/files/1/0429/1425/0905/files/bagife.pdf
    • https://cdn.shopify.com/s/files/1/0434/8300/5078/files/53333451024.pdf
    • https://cdn.shopify.com/s/files/1/0429/5933/9679/files/rigazekuxunabuwowemu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0978/5499/files/jonabixotovu.pdf
    • https://cdn.shopify.com/s/files/1/0440/1355/1781/files/57739955797.pdf
    • https://cdn.shopify.com/s/files/1/0433/8660/1635/files/94747923589.pdf
    • https://cdn.shopify.com/s/files/1/0432/9907/8299/files/zupapasoruwode.pdf
    • https://cdn.shopify.com/s/files/1/0434/2035/2677/files/85186577679.pdf
    • https://cdn.shopify.com/s/files/1/0433/0805/6740/files/vosoduwet.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/wokugur.pdf
    • https://cdn.shopify.com/s/files/1/0430/0092/2261/files/potoximi.pdf
    • https://cdn.shopify.com/s/files/1/0429/0599/3375/files/segufitazuxe.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_off000156f1.bin
45eb188cf06e8b187b210b404aa833a190927ee193bc1b636bf50a94d82caa99
pdf-font-stream PDF embedded font (sfnt) at offset 0x156F1 3532 bytes
font_01_sfnt_off0001628f.bin
e3b949da3ce4b22c88e334b63b6acbc552f9a29d32e082d1c91fd7d06d65eba7
pdf-font-stream PDF embedded font (sfnt) at offset 0x1628F 11664 bytes