PDF malware analysis — malicious · 3d4b389eabe1a75a

MALICIOUS

PDF

60.3 KB Created: 2020-08-04 17:28:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bd736d2f2adc96a9d5b3af9f1ad3f101 SHA-1: 304dc8eae184614ad7058c0302966cabb7fc32ed SHA-256: 3d4b389eabe1a75a4b13f00ed51d6e376e7854b017beb8c1396d46c246e2b824

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a mass external link farm, with many links pointing to Shopify domains and a primary redirector at ttraff.cc. The ML classifier strongly indicates maliciousness. The embedded URLs suggest a redirection chain designed to lead the user to a malicious site, likely for phishing or to download further malware.

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=how+to+make+calculator+in+javascript+pdf
- http://files.fashion-tights.net/uploads/1/3/0/7/130776162/076cf6f1d25.pdf
- http://files.connectedpropertyinvestment.co.uk/uploads/1/3/1/3/131380641/jesaxezexopido_bagexowikagazup_fevabex_wuzabor.pdf
- http://files.madtownrent.com/uploads/1/3/1/1/131163599/9885913.pdf
- http://files.jjjohnsonauthor.com/uploads/1/3/1/4/131437268/lotoxaboxubuw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65294746239.pdf
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/75850758813.pdf
- https://cdn.shopify.com/s/files/1/0438/4869/5958/files/5765402384.pdf
- https://cdn.shopify.com/s/files/1/0434/4807/4405/files/95289714431.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
- https://cdn.shopify.com/s/files/1/0434/2156/5078/files/wolfgang_puck_pressure_oven_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1924/files/sutifibenaze.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1510/files/nejifebid.pdf
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/kupemofubaluwag.pdf
- https://cdn.shopify.com/s/files/1/0436/5815/0046/files/borders_for_word_documents.pdf
- https://cdn.shopify.com/s/files/1/0431/6289/4498/files/90734620543.pdf
- https://cdn.shopify.com/s/files/1/0428/6529/5526/files/gumexujupuxe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kenawuvotijogajutimev.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_off00008d2f.bin` `c54df2de579c066bb31978b85483cb487fb944754f5b77e5dc454b30a4c63c51`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D2F	5552 bytes
`font_01_sfnt_off0000a014.bin` `b59b3e5c06b01eb08d86c9f291fc1736594fc5c95f3349ab37abac6c7b26bc53`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA014	15812 bytes
`font_02_sfnt_off0000d26f.bin` `476a7f5ad4ca1955f8ba18bdbe3e5e1842c2b9bbc8bbe3e57526feecafd05314`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD26F	6076 bytes

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