Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c3d9c0afbe2a836…

MALICIOUS

PDF

45.1 KB Created: 2020-08-07 19:39:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e1ba17f3a424a7896245eff42d9eb31 SHA-1: 8ee291b40c64be710c2d0af5c0c320e22793e9ba SHA-256: 1c3d9c0afbe2a836eeecc44318b4d067a721ee2b98fe44bd3b2e2364e5ad1998
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning attempt. The primary malicious URL is likely used to redirect the user to a second-stage payload.

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.com/pify?keyword=anti+inflammatory+diet+food+list+pdf
    • http://files.fustlerthefemalehustler.com/uploads/1/3/0/7/130739839/gaxiwoloxakutenuboj.pdf
    • http://files.americanrootsuk.com/uploads/1/3/0/7/130775712/vevoragu_punufejarasiram_tuvojuvujanawaj_vusepekelopovo.pdf
    • http://files.costleyandpartners.com/uploads/1/3/0/9/130969204/34bfdeaba076a4.pdf
    • https://cdn.shopify.com/s/files/1/0432/6824/3614/files/epidemiologa_de_la_diabetes.pdf
    • https://cdn.shopify.com/s/files/1/0428/5438/3782/files/92708890352.pdf
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/gumodexepaduvamof.pdf
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/53101741501.pdf
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/44978625991.pdf
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/dazujinoki.pdf
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/dovawikeza.pdf
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/riwuzojigaki.pdf
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/79925892185.pdf
    • https://cdn.shopify.com/s/files/1/0437/7817/9221/files/automatic_control_systems_raven.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5312/files/5086768781.pdf
    • https://cdn.shopify.com/s/files/1/0431/4166/0826/files/cupid_cupid_shuffle.pdf
    • https://cdn.shopify.com/s/files/1/0433/6818/6015/files/3ds._cia_files.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_off00007254.bin
0955478ffd46e795a8478cb272f7fcfe9c75b280b5a8607eeb6d8c8519fdb2c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7254 5276 bytes
font_01_sfnt_off00008441.bin
be4e2bdb6b4c3128e0e8d3c874334820f53225a35e6dadb013abe32ff502dce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8441 10352 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.