Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f272fea68fe6411…

MALICIOUS

PDF

40.9 KB Created: 2020-08-12 08:46:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9ff7ebe7239b5393c99ecaf0bb18f826 SHA-1: e24d7047a8e26bf168dd4ec625e476de412c11b0 SHA-256: 9f272fea68fe6411f5fa7593d1a425636fdd41de554bea517843f4af2075001b
148 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains numerous embedded links, including one pointing to a known malicious redirector. The document body text, though heavily obfuscated, contains keywords related to financial rectification and invoice lures, suggesting a phishing or scam attempt. The primary malicious link is https://ttraff.com/pify?keyword=rectification+of+errors+with+suspense+account+examples+pdf, which likely leads to further malicious content.

Heuristics 5

  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=rectification+of+errors+with+suspense+account+examples+pdf
    • http://files.bigbylaw.com/uploads/1/3/1/4/131483305/mozeragoxam.pdf
    • http://files.acastillocabinetry.net/uploads/1/3/1/1/131164168/filewurud-wunuxi.pdf
    • http://files.bee-strategies.com/uploads/1/3/2/6/132696113/zunorawaxexoxome.pdf
    • https://cdn.shopify.com/s/files/1/0431/5208/1053/files/29816922559.pdf
    • https://cdn.shopify.com/s/files/1/0430/8280/9508/files/adjectives_and_nouns_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0435/4165/9797/files/catecismo_romano_concilio_de_trento.pdf
    • https://cdn.shopify.com/s/files/1/0432/2630/0577/files/beasts_of_the_southern_wild_script.pdf
    • https://cdn.shopify.com/s/files/1/0455/5178/0005/files/catheterization_procedure.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/41844815527.pdf
    • https://cdn.shopify.com/s/files/1/0430/6049/4490/files/34458487311.pdf
    • https://cdn.shopify.com/s/files/1/0437/4609/9349/files/14195199947.pdf
    • https://cdn.shopify.com/s/files/1/0432/8115/4214/files/25157087081.pdf
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/wovekiragurode.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_off00005fd7.bin
700942969c2f792b3f5ac83d43b9f727da0c322ebe5bbc36a1950f9fff927dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD7 5564 bytes
font_01_sfnt_off000072ac.bin
9ddb0b373c760427cf1ddbd663fe224091e2d8f3085ec787ed2d4307b04c46f0
pdf-font-stream PDF embedded font (sfnt) at offset 0x72AC 10540 bytes