Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd25b450734a131a…

MALICIOUS

PDF

66.0 KB Created: 2020-09-01 09:43:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ffd55058109aabe9389985114cd8699 SHA-1: 4b870d950b0c20706667f67bfb1931e4f235c826 SHA-256: fd25b450734a131a60c15b5566a8a68ab812350673c316f627c256a9fba57d84
120 Risk Score

Malware Insights

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

The PDF document contains embedded links that lead to a redirector service. The primary link, disguised as a Cisco access point datasheet, points to 'https://ttraff.link/wix?keyword=cisco+access+point+3802i+datasheet'. This redirector is flagged as malicious. The document also contains a large number of other links, many pointing to Shopify, which is characteristic of SEO poisoning or link farm tactics to obscure the malicious destination. No scripts were extracted, but the presence of malicious redirector links strongly suggests a phishing or social engineering attack.

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.link/wix?keyword=cisco+access+point+3802i+datasheet
    • https://cdn.shopify.com/s/files/1/0431/6554/8708/files/appropriate_methodology_and_social_context.pdf
    • https://cdn.shopify.com/s/files/1/0431/0623/8613/files/nubijiwuserawedupe.pdf
    • https://cdn.shopify.com/s/files/1/0432/3033/1040/files/interviewer_checklist.pdf
    • https://cdn.shopify.com/s/files/1/0434/6318/0454/files/xbox_game_speech_windows_uninstall.pdf
    • https://cdn.shopify.com/s/files/1/0434/3165/7621/files/xopezipifaxivilu.pdf
    • https://static.usrfiles.com/ugd/b8c837_1a844f21c1624ec0968bceebf0a1ccdb.pdf
    • https://static.usrfiles.com/ugd/67e251_bb2fd44e8a3742bd830bd3c539b6bc97.pdf
    • https://static.usrfiles.com/ugd/87fdc7_5658ce81ecd34aab9bf46941f2382465.pdf
    • https://static.usrfiles.com/ugd/1849a1_f4a3b7929bf548b083bcf78a59281c22.pdf
    • https://static.usrfiles.com/ugd/b8c837_1090561acb51407e9a75fb0299b9f7d8.pdf
    • https://static.usrfiles.com/ugd/b8c837_2b67de8ac186408984b0f9405165d63d.pdf
    • https://static.usrfiles.com/ugd/3aee12_46bb702d2e36450889f8f70db53c57c3.pdf
    • https://static.usrfiles.com/ugd/4bdc6d_50acfbb58fd34c0a9fd0104c40bc1c63.pdf
    • https://static.usrfiles.com/ugd/b8c837_89ad23fa5c5d4c0ca8e745aeb109c8d4.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a990.bin
36bde427d5c67dd36a294f9b7cc71eef77021e888d6ddf7671e1b24b0110ce07
pdf-font-stream PDF embedded font (sfnt) at offset 0xA990 5476 bytes
font_01_sfnt_off0000bc1e.bin
4277ed0594b1f8f8e3288e65f1b92c46e2cf7e777f92bd1c803cdc9fc86fc05d
pdf-font-stream PDF embedded font (sfnt) at offset 0xBC1E 15888 bytes
font_02_sfnt_off0000ecd5.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378
pdf-font-stream PDF embedded font (sfnt) at offset 0xECD5 4324 bytes