PDF malware analysis — malicious · 7a55095996051b6b

MALICIOUS

PDF

44.4 KB Created: 2020-09-04 11:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b36ff5898629402c8ca0db3bf79aaf98 SHA-1: 1c06069a807787a2896b8be4c2d7efaa37c2f481 SHA-256: 7a55095996051b6b61f372d4b6d6b3a5a9a0578234ce7d4a15216f0c87d80bd1

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, ttraff.me, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains this URL and references to other PDFs, suggesting a link farm or redirection scheme. 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.me/wix?keyword=spyro+tree+tops+guide
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/217d68_7bab5c3ec1d34205a8a47f82e1f5cb1b.pdf
- https://static.usrfiles.com/ugd/8ff694_8274cfef7e4b481e8d1a05b823a37503.pdf
- https://static.usrfiles.com/ugd/086daf_0eb2d77818a241108b92b2d2cb946090.pdf
- https://cdn.shopify.com/s/files/1/0427/8625/9100/files/sugozuwojukipuwilapi.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/dawugetowo.pdf
- https://cdn.shopify.com/s/files/1/0440/8115/2152/files/html_skeleton_code.pdf
- https://cdn.shopify.com/s/files/1/0427/4978/8327/files/73766574750.pdf
- https://cdn.shopify.com/s/files/1/0431/8845/3533/files/43858246735.pdf
- https://cdn.shopify.com/s/files/1/0432/6516/3422/files/66495315818.pdf
- https://cdn.shopify.com/s/files/1/0440/3996/2774/files/sewaledonupa.pdf
- https://cdn.shopify.com/s/files/1/0430/6331/2535/files/mufikovozokokedugididupez.pdf
- https://cdn.shopify.com/s/files/1/0432/6414/7609/files/total_eclipse_of_the_heart_piano_sheet_music_free.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_off0000717c.bin` `2e2f627313fb56c9026436bc5626ea886e8b0d82f79ee356af88d23308b1ed3b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x717C	5092 bytes
`font_01_sfnt_off000082e4.bin` `90ee3295ed2942925fa6cdea8315caa84b6765347142421980fd88c320846ba2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82E4	9992 bytes

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