PDF malware analysis — malicious · 2b206ba649ee6729

MALICIOUS

PDF

44.4 KB Created: 2020-08-05 07:31:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2c6b9260bcf7fa8431648f02e1f4ab9c SHA-1: a404d1f6949550ec38367bfe8eb0692dc2b4460c SHA-256: 2b206ba649ee6729f71d3e94a173b242327cce2da9b380f1160a7ac5bc5c5fdf

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to redirect users to malicious content, specifically disguised as a manual for 'Ariens 7524'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=ariens+7524+manual+pdf. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The ML classifier 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.ru/pify?keyword=ariens+7524+manual+pdf
- http://files.millrdcommunityspace.ca/uploads/1/3/2/6/132681586/gavuzeto.pdf
- http://files.jr-accounting.com/uploads/1/3/0/7/130775520/e08915616e6f.pdf
- http://files.wpca.org.za/uploads/1/3/1/1/131164572/1234495.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/31880481492.pdf
- https://cdn.shopify.com/s/files/1/0434/6127/9896/files/25741079830.pdf
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/gorijinonozupasufadovilu.pdf
- https://cdn.shopify.com/s/files/1/0432/1820/6888/files/41220694082.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71895612735.pdf
- https://cdn.shopify.com/s/files/1/0427/6640/1692/files/54201592175.pdf
- https://cdn.shopify.com/s/files/1/0436/5592/1817/files/keliwo.pdf
- https://cdn.shopify.com/s/files/1/0440/0994/7301/files/roruduboxunuwosirek.pdf
- https://cdn.shopify.com/s/files/1/0431/6646/6216/files/86042517960.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/49908719926.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_off000067ce.bin` `d1fa219f65c39af286ccc4b8781ff580b0926813ad2673e52134716e06b6f1c7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67CE	5600 bytes
`font_01_sfnt_off00007ad7.bin` `080aebdc92f0791e7b7906fac9cdefc920ac44c690d495da3f43cd6aa3234cc4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7AD7	12780 bytes

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