PDF malware analysis — malicious · 05758e4b62eed036

MALICIOUS

PDF

39.2 KB Created: 2020-09-01 11:40:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 07d2ffe7b97ba6537ec721b111a01da0 SHA-1: 8f691dca171dff04d107e1cedbbf21007902c7f3 SHA-256: 05758e4b62eed0361461aec0136fc552d24b5ef47aabd653d53b2346192a6b9a

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text suggesting it is a lure for 'figma templates free', directing users to the malicious URL. The presence of a link farm and a critical ML classifier flag further support its malicious nature.

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=figma+templates+free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_a25d4d88544144a5b2c5a3a9f3ff7bc3.pdf
- https://static.usrfiles.com/ugd/b8c837_77221a66c268461892ee2ec5bfdc527b.pdf
- https://static.usrfiles.com/ugd/9d869b_203e8cff560e482b9b700eb212f436a1.pdf
- https://static.usrfiles.com/ugd/b8c837_4b3ccff3355c4b72882e361250503326.pdf
- https://cdn.shopify.com/s/files/1/0431/7426/4993/files/egypt_pestel_analysis_market_research_report.pdf
- https://cdn.shopify.com/s/files/1/0430/4646/9793/files/ambarsariya_fukrey_movie_song.pdf
- https://cdn.shopify.com/s/files/1/0447/9637/9285/files/gemagubapusunovati.pdf
- https://cdn.shopify.com/s/files/1/0429/0982/7231/files/wewawufu.pdf
- https://cdn.shopify.com/s/files/1/0431/8419/3697/files/85870861933.pdf
- https://static.usrfiles.com/ugd/409ca8_de708bb7f294461188d9f315aba21e61.pdf
- https://static.usrfiles.com/ugd/b8c837_a7b685709668464fbf2d94302f0d33ed.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_off00005cda.bin` `05638bf8178a50205d6f88b2598c8973445474a7be90fc9f93be8e4f47d7853a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CDA	5176 bytes
`font_01_sfnt_off00006e65.bin` `8cd3ae6ef27cca5d74f526c86a230216c4f705077c593a4c925d1ff592de1646`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E65	10040 bytes

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