PDF malware analysis — malicious · 271fef9602bc59ab

MALICIOUS

PDF

45.7 KB Created: 2020-08-21 05:30:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f55026f13a24a0f6a8bbb0c739ae87e5 SHA-1: 303c39a05cfa5a576f5ae85db8a595fef1bb8089 SHA-256: 271fef9602bc59ab48ad1719ec73607d72d3423964ddb5c97277ecfbe9ca8425

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains multiple embedded links, with one heuristic identifying it as a malicious redirector. Another heuristic flags it as a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of a 'download button' lure further supports the malicious intent. The primary malicious URL identified is https://ttraff.ru/pify?keyword=cartoon+ki+picture+video, which likely serves as the initial point of compromise.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=cartoon+ki+picture+video
- http://files.dramaturgiesofparticipation.com/uploads/1/3/0/7/130775448/jaboxur_lokakor.pdf
- https://cdn.shopify.com/s/files/1/0428/8181/0595/files/88501484581.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8020/files/44598594190.pdf
- https://cdn.shopify.com/s/files/1/0435/5401/3336/files/10956603003.pdf
- https://cdn.shopify.com/s/files/1/0428/9026/4742/files/wivinomatefazemiguvegi.pdf
- https://cdn.shopify.com/s/files/1/0435/5175/2344/files/67859860379.pdf
- https://cdn.shopify.com/s/files/1/0434/6616/2341/files/15092671525.pdf
- https://cdn.shopify.com/s/files/1/0429/9368/0547/files/la_sonnambula_bottesini.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/reregikegobifemosebemulo.pdf
- https://cdn.shopify.com/s/files/1/0437/7195/3301/files/lukupimilijuk.pdf
- https://cdn.shopify.com/s/files/1/0432/5697/1432/files/nosafikutiwopabimizijew.pdf
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/50683402818.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000068e7.bin` `70176750b25a8ec1ee54d9942dbe9df8be16ef16f2e96eacf766d6024f4c898d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68E7	4888 bytes
`font_01_sfnt_off0000799a.bin` `68d594dc1f87fb64c36cebca543e228adbb07081bcd65a6fede75280b5089529`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x799A	10148 bytes
`font_02_sfnt_off00009c46.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C46	4324 bytes

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