Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c58c054fa1489c…

MALICIOUS

PDF

40.0 KB Created: 2020-08-29 17:27:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e5979505ff7993e6f31ea04d436844f3 SHA-1: 731c841db1571cf1fd433fc4bc1b15a13702e5f5 SHA-256: 30c58c054fa1489c9f4ddb4ae0bda161d5d05c7a20a350d2c375718fc43a8131
130 Risk Score

Malware Insights

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

The PDF contains a clear call-to-action disguised as a password recovery tool, directing users to a malicious redirector URL. The PDF also functions as a link farm, with numerous embedded links pointing to external resources, many of which are hosted on Shopify. The primary malicious link is https://ttraff.ru/wix?keyword=iseepassword+windows+password+recovery, which is flagged as a malicious redirector. The presence of a visual download button lure further supports the phishing attempt.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/wix?keyword=iseepassword+windows+password+recovery
    • https://cdn.shopify.com/s/files/1/0440/7368/1061/files/bodyguard_telugu_film_songs.pdf
    • https://cdn.shopify.com/s/files/1/0432/7433/8472/files/lizimafiwegivakenuf.pdf
    • https://cdn.shopify.com/s/files/1/0435/6508/8936/files/nologefejufolapipofodan.pdf
    • https://cdn.shopify.com/s/files/1/0439/7118/2750/files/meluten.pdf
    • https://static.usrfiles.com/ugd/06497e_0099c4444dde447c8439500fbdb30a4a.pdf
    • https://static.usrfiles.com/ugd/b8c837_3e7e3e65401943a5aa08e868718d254c.pdf
    • https://cdn.shopify.com/s/files/1/0437/2119/5688/files/stories_for_kids_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0433/6238/6079/files/bepobagizamijuxopusikave.pdf
    • https://cdn.shopify.com/s/files/1/0439/3045/2123/files/murekimivalimisajazefexa.pdf
    • https://static.usrfiles.com/ugd/b8c837_35130c0df6dd4341b1707073b8656f67.pdf
    • https://static.usrfiles.com/ugd/b8c837_6664b1be210a4483b4d4a3ef414dfdfb.pdf
    • https://static.usrfiles.com/ugd/b8c837_a6c34eea607d423bbeb400693806f6c4.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_off00005dfc.bin
fd16a87cd35bfbe25ff911f15ab9bab4c4da4f3c418262c13d3129120229e8b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DFC 5224 bytes
font_01_sfnt_off00006fea.bin
a1739647fe81c9bd71dc79b5f956df98828650c54b32b8fa6f740f650bc739ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FEA 10368 bytes

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