Malicious PDF — malware analysis report

Static analysis result for SHA-256 afd2a97204ba16da…

MALICIOUS

PDF

48.8 KB Created: 2020-08-02 09:14:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01132b8839d7cebb8d23afdaa051cebb SHA-1: 591ed493a6a303fcffba853da6519be18ddfec76 SHA-256: afd2a97204ba16da46c5a9c34ac0f9b79dc539e6ed609c6e20befa176e4249b8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566 Phishing

The PDF contains a lure to activate Windows watermark removal, directing users to a malicious URL. It also functions as a link farm, embedding numerous links to other PDFs, likely for SEO manipulation or to distribute further malicious content. The presence of a clipboard command lure suggests an attempt to trick the user into executing commands.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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=activate+windows+watermark+removal
    • http://files.jillianpatriciapirtle.com/uploads/1/3/1/4/131453397/8873950.pdf
    • http://files.davidecerretini.com/uploads/1/3/2/6/132681586/jujiwof.pdf
    • http://files.medspabeautyescape.com/uploads/1/3/1/4/131412032/2041717.pdf
    • https://cdn.shopify.com/s/files/1/0432/1335/7211/files/49030579075.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6166/files/dulazigatapekemisifekipi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5227/7670/files/xadowozizabinuteminorumad.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17844710077.pdf
    • https://cdn.shopify.com/s/files/1/0428/7057/1174/files/18230674656.pdf
    • https://cdn.shopify.com/s/files/1/0434/0331/3315/files/84136148574.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/basopanuturasuta.pdf
    • https://cdn.shopify.com/s/files/1/0437/9390/7869/files/xuloxazeguvolimigoze.pdf
    • https://cdn.shopify.com/s/files/1/0430/3287/1074/files/ranuwidegosupejizukevogu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77084518355.pdf
    • https://cdn.shopify.com/s/files/1/0431/6119/0554/files/31427504413.pdf
    • https://cdn.shopify.com/s/files/1/0437/3849/7185/files/70621415019.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_off00007172.bin
c297a2d3013b1d4537bd4c2336f2148da00f00bad59da461b455c495691d0739		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7172 5292 bytes
font_01_sfnt_off00008374.bin
04ca645833447407d086aabf8148066893e6453447768717459766f6c93e344c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8374 16376 bytes

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