Malicious PDF — malware analysis report

Static analysis result for SHA-256 96af0960207f2a97…

MALICIOUS

PDF

67.9 KB Created: 2020-08-26 15:55:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ef54443f81133d9689c077cfbf18097 SHA-1: 7afd069ab9e11bedef3181edb011737f38cae450 SHA-256: 96af0960207f2a971ef945231a9405d3f48b6a68eeee89c820413e8a228bd266
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to a suspicious URL. Additionally, the PDF_SEO_LINK_FARM heuristic suggests the document is part of a link farm, with the primary malicious URL being ttraff.club. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern.

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.club/pify?keyword=pokemon+emerald+random+encounter+cod
    • http://files.naturallyroyal.net/uploads/1/3/0/8/130813526/1735944.pdf
    • http://files.krwi.net/uploads/1/3/2/7/132740892/8388144.pdf
    • http://files.aimdistributing.net/uploads/1/3/1/4/131411688/1f48a9274980b.pdf
    • http://guxaxeb.maestrodonappert.com/uploads/1/3/2/3/132303354/kajakozokezan.pdf
    • http://karedupo.broadwaysilkens.com/uploads/1/3/0/8/130874633/pebepakokemuvu_voviwum_zajus.pdf
    • https://cdn.shopify.com/s/files/1/0435/2891/3055/files/ft232r_usb_uart_driver_for_windows_7_32_bit.pdf
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/31838059223.pdf
    • https://cdn.shopify.com/s/files/1/0435/1698/5498/files/dj_shadow_sixdays.pdf
    • https://cdn.shopify.com/s/files/1/0428/9495/0556/files/60897700198.pdf
    • https://cdn.shopify.com/s/files/1/0431/3654/9018/files/78370961104.pdf
    • https://cdn.shopify.com/s/files/1/0433/7192/1571/files/77343648892.pdf
    • https://cdn.shopify.com/s/files/1/0432/6490/1270/files/mogikesitikaworis.pdf
    • https://cdn.shopify.com/s/files/1/0432/4550/2626/files/the_binding_of_isaac_afterbirth_wiki_transformations.pdf
    • https://cdn.shopify.com/s/files/1/0463/5331/8054/files/xiratilepubipafafidipe.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_off0000c04c.bin
5239f04a2c4c20f2677c2efd1491378121ed03e68df8bc01d4e806efb97d35ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC04C 4972 bytes
font_01_sfnt_off0000d113.bin
a6b7091713569164a1f6a80732447d2ad38ee16caf94894908a332d9f2fbc640		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD113 15876 bytes

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