Malicious PDF — malware analysis report

Static analysis result for SHA-256 36eb6e145096c56a…

MALICIOUS

PDF

48.3 KB Created: 2020-08-08 01:02:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1537770c63b93e40b2b326e489528a42 SHA-1: 26a4377705591af53a5b0691d4d4981a4a915ea5 SHA-256: 36eb6e145096c56ac200b79ddfd216c51be272ac74d303dfe41e3858df3a033e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-Override T1059.001 PowerShell

The PDF contains multiple embedded links, with a critical heuristic identifying a redirector link to 'ttraff.com'. This suggests a phishing or redirection attack. The presence of a 'download button' lure further supports this. Although no scripts were extracted, the link farm and redirector indicate a malicious intent to lead the user to harmful content.

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.com/pify?keyword=beps+action+4+pdf
    • http://files.frostbottomstudio.com/uploads/1/3/0/9/130969681/faxipeba.pdf
    • http://files.chesapeakewritingcoach.com/uploads/1/3/1/4/131406849/navefuxitawavobifi.pdf
    • http://mezomaku.bulacanliving.com/uploads/1/3/1/3/131398140/lovobedanodubum-gixudinodov-sebal-gulufuleden.pdf
    • http://fafuvote.themamalounge.com/uploads/1/3/0/8/130874422/turuluko.pdf
    • http://files.thecentreofthecosmos.com/uploads/1/3/2/3/132302710/bizitosofurepajiv.pdf
    • https://cdn.shopify.com/s/files/1/0433/8237/4561/files/16827479940.pdf
    • https://cdn.shopify.com/s/files/1/0431/7125/0336/files/koril.pdf
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/the_wheel_of_life_and_death.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niroduwo.pdf
    • https://cdn.shopify.com/s/files/1/0429/9191/1066/files/sugifagipojawotifanixod.pdf
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/87764583215.pdf
    • https://cdn.shopify.com/s/files/1/0438/0357/4432/files/63505133733.pdf
    • https://cdn.shopify.com/s/files/1/0430/7773/0464/files/38017864451.pdf
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/5035748214.pdf
    • https://cdn.shopify.com/s/files/1/0432/2318/7614/files/91597285775.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_off000069c1.bin
5b5f45c59de404d12b74275ec9421a12ef2eda8ec84f96529f136a6ec3ade2ad
pdf-font-stream PDF embedded font (sfnt) at offset 0x69C1 4944 bytes
font_01_sfnt_off00007aa5.bin
3d7de9572cbf1526cfc50e89df011c90af41e22453cc353d1aaf95eba2226043
pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA5 14192 bytes
font_02_sfnt_off0000a64e.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0xA64E 4324 bytes