PDF malware analysis — malicious · 510c09bd149036fc

MALICIOUS

PDF

50.4 KB Created: 2020-08-28 06:42:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 808f40c774d7c4b57ce76db0514cb7fb SHA-1: 2972d1a0b0f447c9dda88a62548d54e234ddd760 SHA-256: 510c09bd149036fc40226c58dc6e1b4025f8ffc84890eaef1a79d415787cdc3e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=purex+triton+nautilus+fns'. This indicates the document's primary purpose is to redirect users to potentially harmful content. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, some of which are hosted on suspicious domains. No scripts were extracted from this sample, but the presence of the malicious redirector strongly suggests a phishing or malware delivery attempt.

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=purex+triton+nautilus+fns
- http://mobisemek.kingscleaningsvc.com/uploads/1/3/0/7/130775531/keverebavoxemixoz.pdf
- http://files.reginamartyn.com/uploads/1/3/1/6/131636889/wamaxifubukodakexido.pdf
- https://cdn.shopify.com/s/files/1/0437/4868/8033/files/28996236915.pdf
- https://cdn.shopify.com/s/files/1/0433/0464/8859/files/farberware_air_fryer_manual_fbw_ft_43479_bk.pdf
- https://cdn.shopify.com/s/files/1/0429/2483/4982/files/louis_berkhof_systematic_theology_download.pdf
- https://cdn.shopify.com/s/files/1/0434/7320/7446/files/riwodukus.pdf
- https://cdn.shopify.com/s/files/1/0433/2873/3352/files/27499236100.pdf
- https://cdn.shopify.com/s/files/1/0432/3373/8911/files/10405751085.pdf
- https://cdn.shopify.com/s/files/1/0431/7157/8024/files/76301192530.pdf
- https://cdn.shopify.com/s/files/1/0435/6666/1800/files/29683410697.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0293/files/advanced_life_support_course_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1702/files/botulisme_adalah.pdf
- https://cdn.shopify.com/s/files/1/0434/3860/4450/files/21999591874.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46391305542.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_off0000696b.bin` `7151c737e3ada998822529dd152dff4d20ec93cb16569cb7f9ac472fb64214e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x696B	4832 bytes
`font_01_sfnt_off000079e6.bin` `d1aee59590eacf06d407f6f647175284efd1888feddfe3eb7e2ed819d7e7d39c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79E6	14508 bytes
`font_02_sfnt_off0000a7b1.bin` `43e84046d57c5d8edad47de9228ce36feb53c5e515436c294a71041590f3a3a6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA7B1	16132 bytes

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