Malicious PDF — malware analysis report

Static analysis result for SHA-256 77ab4a0680143fce…

MALICIOUS

PDF

32.2 KB Created: 2020-08-23 10:19:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6dd43fe925b981208d9c92eb2e643f70 SHA-1: 4f79369e4e11e9812c2691774d2fa6f2dc1ddc87 SHA-256: 77ab4a0680143fce09cc167bd00a96e8c654189bcae071a6034b42d2f2c79464
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, appears to be a lure for a 'Forcepoint dlp administration guide'. The primary malicious link, https://ttraff.cc/pify?keyword=forcepoint+dlp+administration+guide, is designed to redirect users to potentially harmful content. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious links broadly.

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.cc/pify?keyword=forcepoint+dlp+administration+guide
    • http://files.rabbitrailsupply.com/uploads/1/3/1/3/131398143/7846719.pdf
    • http://retevabik.aggielions.org/uploads/1/3/1/8/131857054/zizejaribefoninen.pdf
    • https://cdn.shopify.com/s/files/1/0433/7342/8888/files/bazuduz.pdf
    • https://cdn.shopify.com/s/files/1/0432/1217/7572/files/kenmore_washer_manual.pdf
    • https://cdn.shopify.com/s/files/1/0440/3891/4213/files/introduction_to_aquatic_toxicology.pdf
    • https://cdn.shopify.com/s/files/1/0428/6673/7311/files/xigowoxofupesewon.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdf
    • https://cdn.shopify.com/s/files/1/0430/5456/3477/files/pimeguvugedadubomoz.pdf
    • https://cdn.shopify.com/s/files/1/0436/6332/7385/files/66341483010.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuketunaxu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6756/2391/files/advanced_after_effects_tutorials.pdf
    • https://cdn.shopify.com/s/files/1/0431/8153/9483/files/47431419686.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_off0000426d.bin
9be4c66a365c3effa6e1e1beab26d179f9ebfba9dbe7afe87781e5d2a4d9a38e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x426D 5348 bytes
font_01_sfnt_off0000547c.bin
fee4d0ae05a69856d4f17299104783c28cfe1ac3ae776988db86a04c873b96cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x547C 9260 bytes

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