Malicious PDF — malware analysis report

Static analysis result for SHA-256 599492aa3a9a8c20…

MALICIOUS

PDF

39.9 KB Created: 2020-09-14 06:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a96e5a77bd80a4135bbd97edb3a9e8d SHA-1: f2fb918f88e0466bcf55ce6571d8cda2b69faa83 SHA-256: 599492aa3a9a8c2033b50198a2364c0c0d0cefd53030ce20771c773a1b176fdb
160 Risk Score

Malware Insights

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

The PDF document contains a lure related to deleting a Fortnite account, which is a common tactic for credential phishing. It embeds multiple links, including a redirector to 'ttraff.link' and a link farm hosted on 'xapexi.prairiewindsorff.com', indicating a phishing or malicious content delivery attempt. The heuristic 'SE_MFA_LURE' further supports the credential harvesting intent.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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.link/wix?keyword=how+to+delete+your+fortnite+account+on+ps4
    • http://xapexi.prairiewindsorff.com/uploads/1/3/1/3/131383434/95862f71e5e06d4.pdf
    • http://files.carrolljazz.org/uploads/1/3/1/6/131637362/rejidusatimajaruso.pdf
    • http://magoveg.bpwnjfoundation.org/uploads/1/3/0/8/130874189/zisaniboxibamebut.pdf
    • http://files.theverticalfiles.com/uploads/1/3/1/3/131398547/fivemimefuv.pdf
    • https://cdn.shopify.com/s/files/1/0429/9715/3943/files/nouns_verbs_adjectives_adverbs_pronouns.pdf
    • https://static.usrfiles.com/ugd/607883_f09425794ebb41a4b26bce586d2dccc3.pdf
    • https://static.usrfiles.com/ugd/2b25b5_c26f55ccb0ce4f53801119452d12b8b8.pdf
    • https://cdn.shopify.com/s/files/1/0429/3967/8886/files/tylenol_davis_plus.pdf
    • https://cdn.shopify.com/s/files/1/0436/2492/3298/files/gakodozakepiteki.pdf
    • https://cdn.shopify.com/s/files/1/0435/4395/3567/files/bowuvakew.pdf
    • https://cdn.shopify.com/s/files/1/0433/7316/6744/files/77647440513.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_off00005d3b.bin
884921c5292744fbec8f01ac055b358b2b4e5b09a4b37ec683a3d051d508c628		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D3B 5392 bytes
font_01_sfnt_off00006fbe.bin
64510c9faa721a543a4dc17b39981f3175dbb678862511f860988bd0084886ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBE 10248 bytes

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