Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd1ba07f5366d3c3…

MALICIOUS

PDF

49.4 KB Created: 2020-08-08 21:23:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d4d4bcff0721c01239d166e643d9fd9 SHA-1: 5b97471c433d21ac538e3c959c002e6485d4addd SHA-256: cd1ba07f5366d3c3ca46cf1651c786cf61e8aaa36e91fe772a305b1f7529af58
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link to 'ttraff.cc' is identified as a malicious redirector. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to disguise malicious redirection. No scripts were extracted, limiting the analysis of further payload delivery.

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.cc/pify?keyword=action+plan+in+science+pdf
    • http://files.sdbff.com/uploads/1/3/1/3/131379396/1808454.pdf
    • http://files.perfectoclean.net/uploads/1/3/0/7/130739263/9996016.pdf
    • http://files.quasilocum.com/uploads/1/3/1/3/131380733/dazepip-tefifipipewesex.pdf
    • http://files.sotheycangohome.com/uploads/1/3/0/8/130874403/gukedinemoxepuj.pdf
    • https://cdn.shopify.com/s/files/1/0433/9000/9502/files/cisco_2960_series_datasheet.pdf
    • https://cdn.shopify.com/s/files/1/0430/2825/0781/files/liste_suffixes_franais.pdf
    • https://cdn.shopify.com/s/files/1/0438/3752/2085/files/rope_bondage_positions.pdf
    • https://cdn.shopify.com/s/files/1/0434/8870/6717/files/76707135131.pdf
    • https://cdn.shopify.com/s/files/1/0431/2599/7722/files/vamitolikor.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41557636134.pdf
    • https://cdn.shopify.com/s/files/1/0433/8909/1998/files/speak_now_1.pdf
    • https://cdn.shopify.com/s/files/1/0433/8581/5194/files/confession_of_judgment_new_york.pdf
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/43820881435.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_off00008472.bin
01cdb25cc9bcb40170537801ca87d945e659e9b65a4979bb3af273ba941350d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8472 5040 bytes
font_01_sfnt_off000095ae.bin
3eb84ae63991d43c0f9b43a22c7a19bf1c5464b8864cb3266185b1f4ab25098f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95AE 10336 bytes

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