Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcd080d722f2b698…

MALICIOUS

PDF

42.0 KB Created: 2020-08-23 11:09:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fb022c1ded49cb7d6b58eb45a137683 SHA-1: 845de0222bf5ace8cd45c7e50b89d59bce832fab SHA-256: fcd080d722f2b69893f2d9466325b6983fd3cda78c5dcaa1ed2300b2f6e65939
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.cc/pify?keyword=flow+chart+template+office+2013'. Additionally, it features a link farm heuristic, indicating a large number of external links, many hosted on Shopify. The document body contains obfuscated text and the malicious URL, suggesting a social engineering lure to drive traffic to malicious infrastructure.

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=flow+chart+template+office+2013
    • http://jomupe.mclcrd.org/uploads/1/3/1/4/131410299/vareba-buxudiwiwolopi-defonatub.pdf
    • http://belopesa.palmspringsapplianceservice.com/uploads/1/3/2/6/132681670/tumuxipevom.pdf
    • http://dimimoxiv.asssg.org/uploads/1/3/0/8/130813650/7431693.pdf
    • http://fekewexe.edwardmknight.com/uploads/1/3/0/9/130969060/gevigubal.pdf
    • http://files.arborparkpto.com/uploads/1/3/0/7/130776861/2de498092a69a.pdf
    • https://cdn.shopify.com/s/files/1/0435/6109/1221/files/mozibitusaguzu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7487/1711/files/quality_assurance_and_quality_control_book.pdf
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/rca_dta880_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5060/files/jiwidufezinen.pdf
    • https://cdn.shopify.com/s/files/1/0439/1885/2264/files/kujafenakigosi.pdf
    • https://cdn.shopify.com/s/files/1/0437/0432/0154/files/icy_tower_on_line.pdf
    • https://cdn.shopify.com/s/files/1/0431/6656/4507/files/sewinojol.pdf
    • https://cdn.shopify.com/s/files/1/0430/3264/1689/files/41128393266.pdf
    • https://cdn.shopify.com/s/files/1/0435/9510/4424/files/safumikegerabigivilosudar.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_off000066b0.bin
3e9b6a2000b594b5416f05fd15b01c08f2abbb4cc72f30975c0e6f30a86bd46f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66B0 5612 bytes
font_01_sfnt_off000079c0.bin
190bd116876f8541889eb4f27128082a8094f1d9058cf08b6fcc37d9bdb616dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79C0 9924 bytes

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