PDF malware analysis — malicious · 75a4a79c4c40b025

MALICIOUS

PDF

56.9 KB Created: 2020-07-29 22:43:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b59272e8a2a8d4efc288ebd7b7ef2b4d SHA-1: 7145d0139b5dea938c65b1db22f6ea8230625c23 SHA-256: 75a4a79c4c40b0253fbb994e531ffa2533feefda491945b4a84ea727bc29b75f

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains numerous embedded links, with one heuristic specifically identifying it as a PDF link farm pointing to malicious redirector infrastructure. Another heuristic indicates a callback phishing lure, suggesting the document is designed to trick the user into contacting a fraudulent entity. The primary malicious URL identified is ttraff.ru, which is used in conjunction with a keyword that appears to be a lure for search engine optimization.

Heuristics 4

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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=acceleration+problems+with+solutions+pdf
- http://files.jordanleagle.com/uploads/1/3/0/8/130814101/2cc9220cd9.pdf
- http://files.ninelivestwine.com/uploads/1/3/0/8/130874629/vezik_gunefitotokek.pdf
- http://files.realestateculture.com/uploads/1/3/2/8/132816202/1352439.pdf
- https://cdn.shopify.com/s/files/1/0437/3970/9589/files/fedadop.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zututekafufefosapebuk.pdf
- https://cdn.shopify.com/s/files/1/0437/2067/1384/files/24165472547.pdf
- https://cdn.shopify.com/s/files/1/0429/6690/9081/files/gugobobubisuku.pdf
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/90473826407.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6166/files/27202723487.pdf
- https://cdn.shopify.com/s/files/1/0433/3695/8106/files/semudab.pdf
- https://cdn.shopify.com/s/files/1/0438/3421/2509/files/mojupejibolize.pdf
- https://cdn.shopify.com/s/files/1/0433/3440/2216/files/letifufowo.pdf
- https://cdn.shopify.com/s/files/1/0429/8267/0485/files/39700708279.pdf
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/gojubeworurinovimipajeru.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/nijovesokut.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/
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/9

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00009ab7.bin` `b92b0910214c156b3b850b3ef89974623db485112b0905bd2b5e05ef22d531c3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AB7	5496 bytes
`font_01_sfnt_off0000ad2f.bin` `9226c8614fdde66a2320d6d12408f3afa14b0cbdde241bd9f0b1f1e16819e16a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD2F	13004 bytes

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