Malicious PDF — malware analysis report

Static analysis result for SHA-256 fae82e044d5a3bdd…

MALICIOUS

PDF

43.7 KB Created: 2020-08-19 00:14:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c45453708a5c76b0a7df6de0509bde3 SHA-1: 5b8a7c2b670db22f25484337db8624ef5bb2dca7 SHA-256: fae82e044d5a3bddc6b07c3e13371ef954ad0b7904ae5f1f636506f12d84801e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=house+buying+guide+pdf'. This indicates the document is designed to lure users to a malicious site. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the true destination. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive document.

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=house+buying+guide+pdf
    • http://files.findtheyeti.com/uploads/1/3/0/8/130873794/b6956f.pdf
    • http://wewogot.flaniganssportsworld.com/uploads/1/3/0/7/130776260/weruvilavexo_nofojami_mepixumazusumux.pdf
    • http://files.nashvillephotographyclub.com/uploads/1/3/1/4/131452846/timokas_filefob.pdf
    • http://xuxesesu.ovandoinn.com/uploads/1/3/0/7/130738524/kodetafuxexu-lejul-mojanovaloge.pdf
    • http://siwixig.xoglamaccess.com/uploads/1/3/1/4/131452922/pirifilede.pdf
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/93804861011.pdf
    • https://cdn.shopify.com/s/files/1/0435/6594/0904/files/32957127661.pdf
    • https://cdn.shopify.com/s/files/1/0438/3349/1606/files/51706186102.pdf
    • https://cdn.shopify.com/s/files/1/0434/3801/4616/files/marigold_english_book_class_4.pdf
    • https://cdn.shopify.com/s/files/1/0433/9525/2374/files/can_you_day_trade_on_robinhood.pdf
    • https://cdn.shopify.com/s/files/1/0432/7764/8027/files/4_lines_handwriting_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0433/9829/9813/files/jepul.pdf
    • https://cdn.shopify.com/s/files/1/0429/9109/1875/files/23283208382.pdf
    • https://cdn.shopify.com/s/files/1/0434/4011/1782/files/95106756669.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_off00006db4.bin
50de8061f27457bb346af60625748d04b70f9f298f5b3e2acc2fafd859e72c15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB4 5072 bytes
font_01_sfnt_off00007f10.bin
a3bf4f3d77b78588840c758a78294e2a424e5fba52f248e03926a6afa50ef8a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F10 10304 bytes

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