PDF malware analysis — malicious · fe599981584d8080

MALICIOUS

PDF

75.2 KB Created: 2020-08-19 03:51:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 952ae1022497f234bc51c5a93cfd83f8 SHA-1: bb8db316d989e7f0e34e99e5fb998b5c39fe02f5 SHA-256: fe599981584d8080f9a3a83e275ac806c4b29933adeb1b2d26e324a23ea35c20

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=ussr+anthem++free'. Additionally, it exhibits a PDF SEO link farm behavior, with numerous links to PDFs hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL, suggesting it's the primary lure. The file's purpose appears to be directing users to malicious sites through these embedded links.

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.ru/pify?keyword=ussr+anthem++free
- http://files.claridgechang.net/uploads/1/3/0/7/130776103/5936259c60f3b15.pdf
- http://reruw.davidfugatecreations.com/uploads/1/3/1/3/131383297/tenulosabajekuf.pdf
- http://files.edward-stroh.org/uploads/1/3/0/7/130739916/41112f020a0eb60.pdf
- http://reruw.davidfugatecreations.com
- https://cdn.shopify.com/s/files/1/0430/8199/0304/files/fenirufot.pdf
- https://cdn.shopify.com/s/files/1/0433/1080/9256/files/tinevufimonu.pdf
- https://cdn.shopify.com/s/files/1/0434/1940/2397/files/jadug.pdf
- https://cdn.shopify.com/s/files/1/0430/0472/3349/files/kijofipulub.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/lapotekalaseximowise.pdf
- https://cdn.shopify.com/s/files/1/0434/3064/1826/files/16021489014.pdf
- https://cdn.shopify.com/s/files/1/0428/6690/1148/files/opposite_words_in_kannada_list.pdf
- https://cdn.shopify.com/s/files/1/0431/5450/5882/files/business_plan_contents.pdf
- https://cdn.shopify.com/s/files/1/0438/1717/3149/files/bulk_density_formula.pdf
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/94295843520.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ab74.bin` `8557d536db593346a3596d985a8226d28fb3f0114c082c068690b042c96e15a8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAB74	5284 bytes
`font_01_sfnt_off0000bdc0.bin` `15ee415dab55d308b59404663fcb13c64c08c06433b79ad96418a6c413a1fbf5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBDC0	4968 bytes
`font_02_sfnt_off0000ce76.bin` `2afb7c1a1e444bb81da4543c1c944252dfe75f14d6c6032308460d34dea9c911`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE76	15752 bytes
`font_03_sfnt_off0000ff0b.bin` `98fffdcfead879abc10a18fa04179528fa728dbeb9ee4e0eff6948e8d6461e15`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFF0B	19360 bytes

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