Malicious PDF — malware analysis report

Static analysis result for SHA-256 86b6f6b0c0e0b1bc…

MALICIOUS

PDF

46.0 KB Created: 2020-08-17 06:07:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69b0e4de88e56851d43c2d803da2fa99 SHA-1: 6f56dfc684ce19505fd255411da1c2b7181e7586 SHA-256: 86b6f6b0c0e0b1bc53521d654d6ce70d5c5c722d5424f2eeccb060e439c0a494
120 Risk Score

Malware Insights

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

The PDF contains a prominent link disguised as 'Flagler county sheriff incident reports' which redirects to a malicious URL. This suggests a social engineering tactic to trick the user into clicking the link. The PDF also contains a large number of external links, many of which point to benign Shopify domains, but at least one is a known malicious redirector. The presence of a malicious redirector and the deceptive document content strongly indicate a phishing or scam attempt.

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.
  • 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.
  • 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=flagler+county+sheriff+incident+reports
    • http://files.doodlesnflowers.com/uploads/1/3/0/9/130969477/sigevagula.pdf
    • http://zikakerob.tobymuse.com/uploads/1/3/2/6/132681409/831b836feae.pdf
    • https://cdn.shopify.com/s/files/1/0437/3656/3866/files/one_direction_teenage_dirtbag.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61047377128.pdf
    • https://cdn.shopify.com/s/files/1/0429/7523/2153/files/51163842687.pdf
    • https://cdn.shopify.com/s/files/1/0435/5119/5299/files/boxagikazonasunuvarene.pdf
    • https://cdn.shopify.com/s/files/1/0430/8572/5850/files/administracion_hotelera_y_turismo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2040/2336/files/cause_and_effect_relationship_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0435/1403/6383/files/durebuvixigizade.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_off00007453.bin
ead431cb0d9fe76f44515b760b4ed6eaa6185a7597120a484d4cf0b6bc787c27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7453 5472 bytes
font_01_sfnt_off000086f1.bin
07f10eb57f49a0efc30d7d477afb75c232105b2c64b20f6f7a2af0e3ad68fd7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86F1 10620 bytes

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