PDF malware analysis — malicious · 5940d9692ef6aa7e

MALICIOUS

PDF

44.5 KB Created: 2020-08-05 08:50:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 83d7cb8637ffe720a9a99734d3043f08 SHA-1: 70984c921fd458d56e86a2709e4d772ce452b11d SHA-256: 5940d9692ef6aa7efd3455bc2d916f77af6966a721a8e51c4cd8eb5dfed00e5a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'smooth criminal guitar tab pdf' and includes the malicious URL, suggesting a lure. The presence of multiple external PDF links, many hosted on Shopify, indicates a link farm strategy to distribute the malicious payload.

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.ru/pify?keyword=smooth+criminal+guitar+tab+pdf
- http://files.pendulumalchemy.com/uploads/1/3/1/4/131437530/45ea34f116386cf.pdf
- http://files.bayardguitars.com/uploads/1/3/1/3/131379590/misawosovin_gifafodutafavo_xojadifovaxusi_zebupiwerofipos.pdf
- http://files.nicoledietze.com/uploads/1/3/1/4/131453076/ketulawi_vugepiju.pdf
- http://limaw.makersoverdreamers.com/uploads/1/3/1/4/131407469/lejutokutepu.pdf
- http://files.dermmedclinic.com/uploads/1/3/1/4/131437044/d092e6f31.pdf
- https://cdn.shopify.com/s/files/1/0430/7478/1338/files/gopit.pdf
- https://cdn.shopify.com/s/files/1/0433/9489/1943/files/gisas.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/jimulafipizedov.pdf
- https://cdn.shopify.com/s/files/1/0429/2391/7478/files/bewuxagin.pdf
- https://cdn.shopify.com/s/files/1/0431/5892/9570/files/nuvavoduzavubowex.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1284/files/15859163784.pdf
- https://cdn.shopify.com/s/files/1/0436/0696/6429/files/xijikokogududafewidob.pdf
- https://cdn.shopify.com/s/files/1/0428/2214/0070/files/download_admiralty_jurisdiction_procedure_rules_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/5704/5913/files/thomas_calculus_12th_edition_solutions.pdf
- https://cdn.shopify.com/s/files/1/0435/5666/7551/files/xebomepemuvasib.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_off000057e0.bin` `cf8126303b8fa43702f76ca432e1589edb320eff70e5c70512f8b9eea1ae8323`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57E0	5396 bytes
`font_01_sfnt_off000069fa.bin` `cdc269372c6db106a7fa03cc808b3b239972c4dee551e98e58f5f7c2ab18f590`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69FA	14632 bytes
`font_02_sfnt_off00009743.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9743	4324 bytes

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