Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ada9402e61da44b…

MALICIOUS

PDF

39.5 KB Created: 2020-08-19 01:32:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 76ee1f241ca4e72b50c891a496b980bb SHA-1: ce81285d91383b0125f3d614c85cb95d352418ff SHA-256: 7ada9402e61da44b2fcd3447275e5e6320a005626cdf33ff643e13c40a331e22
128 Risk Score

Malware Insights

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

The PDF contains a deceptive "document safety incident report" lure, designed to prompt the user to click a link. The primary malicious link, https://ttraff.cc/pify?keyword=document+safety+incident+report, is identified as a redirector to malicious infrastructure. The document also hosts a large number of external PDF links, many hosted on cdn.shopify.com, suggesting a link farm or SEO poisoning attempt to distribute malicious 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.cc/pify?keyword=document+safety+incident+report
    • http://files.dagcamera.com/uploads/1/3/1/3/131380343/27e9adfd0cd6397.pdf
    • http://muwadaso.taylormorrismusic.com/uploads/1/3/2/6/132682883/xedavunazometalipa.pdf
    • http://files.anotsoemptynest.com/uploads/1/3/0/8/130814085/0cc89622a.pdf
    • http://files.thecommonwealproject.com/uploads/1/3/1/8/131872104/6343135.pdf
    • https://cdn.shopify.com/s/files/1/0434/3313/2193/files/vegunadisuxupudibun.pdf
    • https://cdn.shopify.com/s/files/1/0430/8385/8080/files/7379367305.pdf
    • https://cdn.shopify.com/s/files/1/0432/5559/5172/files/45036465779.pdf
    • https://cdn.shopify.com/s/files/1/0432/6552/3862/files/mirumetetofeneleropifames.pdf
    • https://cdn.shopify.com/s/files/1/0429/1778/9862/files/bewibenafofapibew.pdf
    • https://cdn.shopify.com/s/files/1/0450/0425/9492/files/tapegora.pdf
    • https://cdn.shopify.com/s/files/1/0431/2167/2341/files/mikixunuvafomenilerazoro.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_off00005d20.bin
480451ed83ac3599b91c27aae023498296831d0fdb2e6130d9fed559e0cfb3e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D20 5368 bytes
font_01_sfnt_off00006f57.bin
7dbb4b5a0732a8e59450a436b51ac0cbde52f8083737e9c496b0524ec10d34d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F57 9996 bytes

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