Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe0e56e6074372ab…

MALICIOUS

PDF

37.6 KB Created: 2020-09-14 06:49:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5eb83fea32e5f0837d43d1bcb1015044 SHA-1: 222b1b6268514ea28c932d94c192e70bd2215e70 SHA-256: fe0e56e6074372ab3f8a830b9b4c643b5c2fd7560e84c64ead31a850b2dc349d
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which points to a URL disguised as a car seat manual. This URL is intended to lead users to malicious infrastructure. The document also contains a large number of embedded links, many of which point to benign Shopify URLs, likely as part of an SEO farm to improve the ranking of the malicious link.

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/wix?keyword=alpha+omega+car+seat+manual
    • https://cdn.shopify.com/s/files/1/0435/8874/7423/files/52206895687.pdf
    • https://cdn.shopify.com/s/files/1/0431/0332/2269/files/lala_ramswaroop_calendar_october_2019.pdf
    • https://cdn.shopify.com/s/files/1/0429/1434/9215/files/space_marines_codex_6th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0434/2756/1621/files/81817683098.pdf
    • https://cdn.shopify.com/s/files/1/0433/5386/6408/files/67764752353.pdf
    • https://cdn.shopify.com/s/files/1/0433/8047/4014/files/fire_emblem_awakening_concept_art_book.pdf
    • https://cdn.shopify.com/s/files/1/0431/5109/8007/files/ganga_river_action_plan.pdf
    • https://static.usrfiles.com/ugd/f1780b_5650a972527e4d41ac226566b32b878d.pdf
    • https://static.usrfiles.com/ugd/930050_5864fb6bac274c7f9a6e6ca8236039aa.pdf
    • https://static.usrfiles.com/ugd/dbbfd0_f0084cea37ea414988eca818b52650b6.pdf
    • https://static.usrfiles.com/ugd/d99ef3_b035133463424cceb3b6e38f58faf53d.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_off00005512.bin
e01b2f565be816a7f186dfbe673ff0973979fe9c9d9558b6c9d9d7597d99d8db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5512 5336 bytes
font_01_sfnt_off0000670b.bin
34f7448f172a35898d0d229a306c6dd7700f1db6fd14362ea9c99fcadd56d7d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x670B 10312 bytes

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