PDF malware analysis — malicious · 1ea6411cb3108c22

MALICIOUS

PDF

45.4 KB Created: 2020-08-06 17:04:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b99b9d435d07ca94431eb346d9506154 SHA-1: 391c0b2b85351605abad8f2cd3051aab3864fcfb SHA-256: 1ea6411cb3108c22489a0a2b027981d6e1117ffd908936b5693483b8f2c9a078

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, includes the same URL, suggesting it's the primary lure. The presence of numerous other links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute the malicious PDF. No scripts were extracted, and the PDF structure itself does not reveal further malicious intent beyond the redirector.

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.com/pify?keyword=citric+acid+production+by+aspergillus+niger+pdf
- http://files.wairarapamassagetherapy.co.nz/uploads/1/3/1/4/131438056/bunolizali.pdf
- http://files.blueknightsncviii.com/uploads/1/3/0/9/130969580/tedozi_wiresiju_lerozoke.pdf
- http://files.plbra.org/uploads/1/3/0/8/130873893/131952.pdf
- http://newum.4wellrules.com/uploads/1/3/0/7/130739227/bewum-bebiserebixi.pdf
- https://cdn.shopify.com/s/files/1/0438/7930/1288/files/majora_s_mask_n64_rom.pdf
- https://cdn.shopify.com/s/files/1/0427/9785/8972/files/colt_mustang_review.pdf
- https://cdn.shopify.com/s/files/1/0433/4052/9816/files/68906013440.pdf
- https://cdn.shopify.com/s/files/1/0438/2051/5488/files/82859525408.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3866/files/21338905520.pdf
- https://cdn.shopify.com/s/files/1/0432/0670/5311/files/6414703694.pdf
- https://cdn.shopify.com/s/files/1/0438/6262/2358/files/54114533694.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/what_are_some_common_discord_server_rules.pdf
- https://cdn.shopify.com/s/files/1/0431/2095/1445/files/6408690215.pdf
- https://cdn.shopify.com/s/files/1/0431/5411/2672/files/24916201139.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sagomowaroperovi.pdf
- https://cdn.shopify.com/s/files/1/0441/2702/7352/files/data_mining_tutorial_point.pdf
- https://cdn.shopify.com/s/files/1/0439/9906/8310/files/1864970218.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000731a.bin` `26bd2639ffbaf51bb442c8b94a32658f73093f2b3efe21e5c0b4a828d6399d23`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x731A	5472 bytes
`font_01_sfnt_off000085c3.bin` `740278dcc90748fa2b3d7d1e4ef4d5c8cf53f77a9b5e1dd31bafed55aea4df0c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85C3	9936 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.