PDF malware analysis — malicious · 50aa2679d76adcf6

MALICIOUS

PDF

33.4 KB Created: 2020-08-02 21:14:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b71159ce48ce1b25119cf63ca06bc8de SHA-1: 10117e65e505a1a2feb9f2126b0eeea365f32bbc SHA-256: 50aa2679d76adcf6f7740639640a7acccbca83d6f85e46388d58d177a4cab0ea

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged as malicious due to the presence of a link to a known malicious redirector (ttraff.cc). This redirector likely serves as a gateway to a phishing or malware distribution site. The file also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the primary malicious indicator is the redirector URL.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=936+483+2979
- http://files.fatherspride.org/uploads/1/3/1/1/131164351/xagokomujokadep.pdf
- http://files.getitfitteddotcarpet.com/uploads/1/3/1/4/131483147/bojimezesu.pdf
- http://files.nitaipriestess.ca/uploads/1/3/1/6/131607062/fejuzogavekabotazom.pdf
- http://files.thevillageartscenter.com/uploads/1/3/1/4/131453348/fopagejemagu_xemasamopagot.pdf
- http://files.sylvaniantown.com/uploads/1/3/1/3/131398424/4197191.pdf
- https://cdn.shopify.com/s/files/1/0435/0859/6900/files/xefuxafazij.pdf
- https://cdn.shopify.com/s/files/1/0428/5068/0991/files/kenmore_elite_freezer_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/12784524177.pdf
- https://cdn.shopify.com/s/files/1/0432/3396/8287/files/53495345493.pdf
- https://cdn.shopify.com/s/files/1/0435/4339/6506/files/iphone_8_2.pdf
- https://cdn.shopify.com/s/files/1/0432/8099/0366/files/35646193689.pdf
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/88459503503.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/xivuk.pdf
- https://cdn.shopify.com/s/files/1/0430/4424/1557/files/nuwunerepodufolegotije.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdf
- https://cdn.shopify.com/s/files/1/0431/7075/8816/files/xupaxudosupibuso.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/64182055327.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_off000046ee.bin` `76613704b6a88e8b4dd718b3f9feb94775ccf76250c48fb0dcc76fac2468a734`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x46EE	5036 bytes
`font_01_sfnt_off00005824.bin` `285038ca95d2fcc4fb8184df8ba2ed5946aa82163a8eafb047b0f70c76c6fe95`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5824	9680 bytes

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