PDF malware analysis — malicious · 487b94ae04e16299

MALICIOUS

PDF

40.5 KB Created: 2020-08-21 20:47:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f1c357e9a0fca261b6cba4ab46b6aeb3 SHA-1: f311daf1224845389a17ab19150bf3baabc913e5 SHA-256: 487b94ae04e16299eb0b8cc033abbd5d5887944b54f467762f71a2fce23f7937

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass of external links, including one to a known malicious redirector at 'https://ttraff.ru/pify?keyword=cool+font+styles'. This indicates a phishing or scam attempt, likely to lead the user to a compromised site or malware download. The ML classifier strongly supports the malicious verdict.

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.ru/pify?keyword=cool+font+styles
- http://files.maryleemusic.com/uploads/1/3/0/9/130969277/5488004.pdf
- http://files.thegreatestpuzzleever.com/uploads/1/3/2/7/132712005/4747756.pdf
- http://files.chrisspaight.com/uploads/1/3/1/0/131070393/bexasotonorobagarug.pdf
- https://cdn.shopify.com/s/files/1/0429/4947/6518/files/nenanas.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0499/files/67139204498.pdf
- https://cdn.shopify.com/s/files/1/0427/8131/1132/files/61631330764.pdf
- https://cdn.shopify.com/s/files/1/0457/9970/2694/files/lord_ayyappa_hd_photos.pdf
- https://cdn.shopify.com/s/files/1/0430/8828/1761/files/dugamusabakoberemisevin.pdf
- https://cdn.shopify.com/s/files/1/0437/9151/5797/files/fefurigirifuw.pdf
- https://cdn.shopify.com/s/files/1/0434/3067/4597/files/vibujeviweveliwapapazevaz.pdf
- https://cdn.shopify.com/s/files/1/0438/4869/5958/files/6187390908.pdf
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/sumojuguruzi.pdf
- https://cdn.shopify.com/s/files/1/0440/1925/3413/files/basudep.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4440/files/kevodinofipowuridi.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000063ff.bin` `417986e8927d5294415df061068c40530381c8827c63b880e8a7e367a1bc2ec9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63FF	4460 bytes
`font_01_sfnt_off0000734d.bin` `4dd7a3ab600c51b1458dff417902b22b96e46f7cbb36ece0f685be0827200ae8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x734D	10052 bytes

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