PDF malware analysis — malicious · 02f165cd406782d9

MALICIOUS

PDF

41.4 KB Created: 2020-08-30 17:54:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b930776043a5f795acf58eecde42d6b2 SHA-1: c6779842e3449f6f5d4963fcac3c84968fdf7295 SHA-256: 02f165cd406782d9be5a9ff8de1918f02806e4e23b75bebf5c2377e8cc271ed4

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the URL https://ttraff.com/wix?keyword=zabit+ve+kumandan+ile+hasbihal+pdf+i. The presence of numerous other PDF links suggests an attempt to obscure the malicious destination and potentially engage in SEO manipulation for malicious purposes. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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/wix?keyword=zabit+ve+kumandan+ile+hasbihal+pdf+i
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3566/4284/files/latisomidovalikizefas.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/rawosok.pdf
- https://cdn.shopify.com/s/files/1/0428/8089/3084/files/52003044111.pdf
- https://cdn.shopify.com/s/files/1/0430/7746/8327/files/fovad.pdf
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/17176762772.pdf
- https://cdn.shopify.com/s/files/1/0431/4434/7802/files/combo_priest_guide_2019.pdf
- https://static.usrfiles.com/ugd/4b874d_ccf3778b1d3f417c94efac54e457f2fd.pdf
- https://static.usrfiles.com/ugd/e02969_991f9c78656b41af9d354e42f4f9ef65.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/biludimupamimajuzil.pdf
- https://cdn.shopify.com/s/files/1/0428/7827/1641/files/pajeloluvotaboki.pdf
- https://cdn.shopify.com/s/files/1/0428/1656/9500/files/29195522682.pdf
- https://cdn.shopify.com/s/files/1/0432/4828/7904/files/22720871808.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/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000061e0.bin` `28ebcdf9b68570fbc29b8b6465cabf7d2c2c7b6a05ff28f3b8405d37ef368c50`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61E0	5404 bytes
`font_01_sfnt_off00007428.bin` `abb6d434561041dd6c0a7551219612987e2b9479091587e5c674329da1db19d3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7428	11336 bytes

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