Malicious PDF — malware analysis report

Static analysis result for SHA-256 9668574c82e59d9c…

MALICIOUS

PDF

44.1 KB Created: 2020-08-04 15:47:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00c33490ac9988429e21c36ee4654c87 SHA-1: 51f4768f6f7219722ee3b828c374779b93bf46aa SHA-256: 9668574c82e59d9c90f5e5fbc4fc392590182b751882c0990fd451d0d812c8cd
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The primary malicious URL is https://ttraff.com/pify?keyword=federici+caliban+and+the+witch+pdf, which likely leads to further malicious content. The document body, though heavily obfuscated, contains references to the book title and the redirector URL, reinforcing the lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=federici+caliban+and+the+witch+pdf
    • http://files.uamiztontli.com/uploads/1/3/1/3/131383456/zetegumo-novakowoperuru.pdf
    • http://files.insurorsofamerica.com/uploads/1/3/0/7/130776573/moxex.pdf
    • http://files.blues-n-brews.com/uploads/1/3/1/3/131380052/jevefofed.pdf
    • http://files.tebecajewelers.com/uploads/1/3/2/6/132695517/1680780.pdf
    • https://cdn.shopify.com/s/files/1/0435/5322/6913/files/42523623537.pdf
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/uthama_villain_song.pdf
    • https://cdn.shopify.com/s/files/1/0432/1912/4382/files/gelorevemedo.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/bonuvu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7368/3100/files/90905434351.pdf
    • https://cdn.shopify.com/s/files/1/0433/4472/4133/files/23425614430.pdf
    • https://cdn.shopify.com/s/files/1/0429/9898/8954/files/zexufubuwikusop.pdf
    • https://cdn.shopify.com/s/files/1/0431/5673/4109/files/fegitasa.pdf
    • https://cdn.shopify.com/s/files/1/0432/4684/6107/files/jizutuvelobeveva.pdf
    • https://cdn.shopify.com/s/files/1/0435/1341/3791/files/nelufugurudogalig.pdf
    • https://cdn.shopify.com/s/files/1/0433/8660/1635/files/repotezejuvi.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_off00006d1e.bin
358a9b8bc4df159aa5838ff9baf66c03df1014bd8dbce6a38bdcac5b113a3f9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D1E 5252 bytes
font_01_sfnt_off00007f06.bin
4175693d3e6a7d3122a52d009d3ef28e3823f7e03fa8f451a2c9d08eeb22f63b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F06 10660 bytes

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