PDF malware analysis — malicious · 2b5e9e50b764244d

MALICIOUS

PDF

169.1 KB Created: 2020-07-27 20:46:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5564495ac5cd0e02ca624f2aa107939c SHA-1: 9126c1eb6d05be8f687976a65fc2863572050914 SHA-256: 2b5e9e50b764244d0803cf30ce10e67fd3be8f044800cd7013983e4834e84dff

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link and a social engineering lure to install a browser extension or update. The embedded URL leads to a known malicious redirector, suggesting an attempt to lead the user to a malicious site. The document body, though heavily obfuscated, contains text related to performance appraisals, likely used as a lure.

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.
Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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=performance+appraisal+phrases+examples+integrity
- http://files.drinktexas.com/uploads/1/3/1/6/131637881/9216615.pdf
- http://files.patchworkstories.net/uploads/1/3/1/3/131384300/61943.pdf
- http://files.kymgeorgeartdolls.com/uploads/1/3/0/7/130738565/sirigaxi_vikiki.pdf
- http://files.sonnambula.org/uploads/1/3/0/7/130739742/zivutidegini-nobotafebeki-wakedenuzexobog-dodal.pdf
- http://files.piperdavisbaseball.org/uploads/1/3/2/6/132695887/fuvofini.pdf
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/fovobemivan.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7870/files/noguvusagoz.pdf
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/puletapuvofuduwozuzizupi.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/zajotukofil.pdf
- https://cdn.shopify.com/s/files/1/0435/4487/1063/files/someraduzu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdf
- https://cdn.shopify.com/s/files/1/0431/7216/7841/files/xetodovewivot.pdf
- https://cdn.shopify.com/s/files/1/0432/9255/7462/files/gogowapetemilemodesefi.pdf
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/31535466078.pdf
- https://cdn.shopify.com/s/files/1/0436/4392/8726/files/8028996159.pdf
- https://cdn.shopify.com/s/files/1/0432/8315/3056/files/62594602941.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.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_off00024af3.bin` `9c1e0ea7f246fb6dd063d330d80d197486c40fedbda3a8a8c3f0dd17f3b76bb7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x24AF3	5388 bytes
`font_01_sfnt_off00025d14.bin` `b715f7ddfe7e1718e9c3848d1e0beb473860fe4aa43c4359cf3afc6cb5cadb98`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x25D14	10088 bytes
`font_02_sfnt_off00027fc0.bin` `4d0700c2bed8ae31e296ea143d862b5f4c90f99d2dd4e3a41f3daee297692574`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27FC0	16348 bytes

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