Malicious PDF — malware analysis report

Static analysis result for SHA-256 da2bf89b83cca167…

MALICIOUS

PDF

79.8 KB Created: 2020-09-05 20:42:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d18c3da2a6ee9a1069976a8b1ae9e0cc SHA-1: 0a92c3210c8d6c6c3832cf1898cfd4d9ec61772e SHA-256: da2bf89b83cca167fffaa4b40ce10ff54d97550888a28dd4fccdac25c34a45d4
128 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.ru, disguised as a sports match report. This suggests a phishing or social engineering attack aimed at redirecting users to malicious content. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. No scripts were extracted, and the PDF structure itself did not reveal further exploit details.

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.ru/pify?keyword=manchester+united+vs+bayern+munich+match+report
    • https://cdn.shopify.com/s/files/1/0431/8684/7903/files/anestesia_epidural_baja_en_bovinos.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/bajagobusizirajanixabavu.pdf
    • https://cdn.shopify.com/s/files/1/0439/1626/3592/files/38935736547.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/82991392773.pdf
    • https://cdn.shopify.com/s/files/1/0427/9818/6663/files/animals_home_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/6886/7231/files/mergers_and_acquisitions_strategy_for_consolidations.pdf
    • https://static.usrfiles.com/ugd/eb5a6a_80acc81553d24dbaa38db3a975734b63.pdf
    • https://static.usrfiles.com/ugd/238140_15546ec2aec74dc695743cd8b4cfd7db.pdf
    • https://cdn.shopify.com/s/files/1/0430/0367/4785/files/titowoxigo.pdf
    • https://cdn.shopify.com/s/files/1/0459/2317/2503/files/places_to_movies_on_iphone.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_off0000f94a.bin
43524c6dba398047af1b8117f3c995252837f66aa16f069f9bcadc7badc21cc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF94A 5588 bytes
font_01_sfnt_off00010c33.bin
30a0872f38ca2cfa671909af340f9b172229638ddb5601a4f31b58bf689b1d8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C33 11180 bytes

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