PDF malware analysis — malicious · 877611c70915fee5

MALICIOUS

PDF

46.3 KB Created: 2020-08-29 02:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 693d8ddb070f4b60ffe0029f2cec6073 SHA-1: 9dcdfe88cd3a40e0ecafe2ba118bca37e60235df SHA-256: 877611c70915fee585ea95492d940bf02c93363797cdc904df4e6f7fdeb8862f

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file contains a link to a known malicious redirector, ttraff.ru, which is disguised as a manual for a Masterbuilt smoker. The document also includes a large number of links to external PDFs, suggesting a link farm or SEO poisoning attempt. The presence of a callback lure heuristic further indicates a phishing or scam attempt, likely aiming to trick the user into interacting with the malicious link.

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/wix?keyword=masterbuilt+signature+series+electric+smoker+manual
- https://static.usrfiles.com/ugd/b8c837_5317ccdf8a6d47ab8196fcb6113972d2.pdf
- https://static.usrfiles.com/ugd/b8c837_a7eadc1caf0b4c1e95814b6296c2172f.pdf
- https://static.usrfiles.com/ugd/b8c837_08cd22f699f445a38f222e3f8b33e3e6.pdf
- https://static.usrfiles.com/ugd/b8c837_149928f1bd4a4ddb87ba87799a200367.pdf
- https://static.usrfiles.com/ugd/b8c837_46bf330e27584553aab49ae9ada44e2d.pdf
- https://static.usrfiles.com/ugd/b8c837_237d3ab74ea845c88c79e92779e2444f.pdf
- https://static.usrfiles.com/ugd/b8c837_e23b014666b840739b9e6cc7b72d2fc8.pdf
- https://static.usrfiles.com/ugd/b8c837_c53fce6494ad447ebf461da4fc0fe626.pdf
- https://cdn.shopify.com/s/files/1/0432/3767/1075/files/gafironalagesogaxatixufe.pdf
- https://cdn.shopify.com/s/files/1/0432/9983/1968/files/59137732921.pdf
- https://static.usrfiles.com/ugd/b8c837_8531b3ab208842f79e25877e0bcd9c63.pdf
- https://static.usrfiles.com/ugd/b8c837_6583fa9c66cf4fcbbe1311bb8816739a.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_off000068a3.bin` `778d152124b34667271daf30e54990dc0ebd82b5221ee6dfbcbfc576572d6b8c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68A3	5212 bytes
`font_01_sfnt_off00007a3d.bin` `5ce1ebcac167cd15d6e2a183ad324bacdec789024a58133b69dd83e4c2c499ab`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A3D	10432 bytes
`font_02_sfnt_off00009e00.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E00	4324 bytes

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