PDF malware analysis — malicious · 3c32514d39dd8756

MALICIOUS

PDF

39.4 KB Created: 2020-08-03 00:50:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f6466ea27714d8a67b867044feabf836 SHA-1: c14955ee1267f95a84ac1f119c7f08fb33e6aa5a SHA-256: 3c32514d39dd8756f4307f937219cc9c98a2f36e77367951809b5139ce05993a

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.003 Windows Command Shell T1204.002 Malicious Link

The PDF contains a critical heuristic indicating it links to a malicious redirector, specifically 'https://ttraff.ru/pify?keyword=push+to+new+github+repo'. Additionally, it exhibits a 'SE_CLIPBOARD_COMMAND_LURE' heuristic, instructing the user to copy and paste content into a command-line interface. This suggests the document's primary purpose is to trick the user into executing commands, likely to download and run a secondary payload from the provided malicious URL.

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.ru/pify?keyword=push+to+new+github+repo
- http://files.arclightrentals.com/uploads/1/3/1/4/131453302/tilibap.pdf
- http://files.firtreebarn.com/uploads/1/3/1/1/131164387/2290743.pdf
- http://files.thefalconerfoundry.com/uploads/1/3/1/6/131637186/9a20d064585c.pdf
- http://files.soulauthority.net/uploads/1/3/0/7/130739258/kutejogukipif_xejefo_zosipume.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/51371780659.pdf
- https://cdn.shopify.com/s/files/1/0430/5820/0725/files/xagitif.pdf
- https://cdn.shopify.com/s/files/1/0440/5772/3030/files/twenty_eight_the_weeknd_mp3.pdf
- https://cdn.shopify.com/s/files/1/0430/7088/1946/files/75789503111.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/73370609066.pdf
- https://cdn.shopify.com/s/files/1/0436/8665/8213/files/zukumomasigo.pdf
- https://cdn.shopify.com/s/files/1/0430/4322/5751/files/24987052109.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/84000925260.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/88650817670.pdf
- https://cdn.shopify.com/s/files/1/0432/0958/8897/files/mowuzab.pdf
- https://cdn.shopify.com/s/files/1/0431/3733/5464/files/35527343837.pdf
- https://cdn.shopify.com/s/files/1/0439/4264/1832/files/52665341910.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00005b8f.bin` `ffc88c7a0c1af780a169d9dc482dcbbc2393a74d140a666b77c3864e3237af16`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B8F	5072 bytes
`font_01_sfnt_off00006ce1.bin` `eaee66cd56d8a2ce3c0512ff5f7a92b8da20018f6471133ff79e19f5f20a92db`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CE1	10608 bytes

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