PDF malware analysis — malicious · 43dcbd09f7f8f2e6

MALICIOUS

PDF

40.2 KB Created: 2020-09-04 20:08:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 39a40ff531eec9bbd3d742acc8b1e71a SHA-1: 92baac79c0ec97549015dfc711c68b2c4d2ac6cc SHA-256: 43dcbd09f7f8f2e6cbdea8cdb578ad5581fd0eeacf6d886dcba6a0f51e70c24c

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a redirector to a malicious URL, indicating a phishing or scam attempt. The embedded URL https://ttraff.me/wix?keyword=commission+report+definition+government is likely intended to lead the user to a malicious site. 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.me/wix?keyword=commission+report+definition+government
- https://static.usrfiles.com/ugd/b8c837_fc8001a335954c0597ff760a643b0b0d.pdf
- https://static.usrfiles.com/ugd/b8c837_c1266376baf84cf9b588fbbaa136fb84.pdf
- https://static.usrfiles.com/ugd/b8c837_4f8343cff1d749209f13e85b872057f1.pdf
- https://static.usrfiles.com/ugd/96bf9d_c64521df69a146828accc38d47be0467.pdf
- https://static.usrfiles.com/ugd/c068f8_3f8ef61fd9fb4845a9f1b3215ad468a7.pdf
- https://static.usrfiles.com/ugd/682d1c_b3311e3cd4bf48eaac1a7f0d5c4f6d0c.pdf
- https://static.usrfiles.com/ugd/bb13a2_1dfc183232b54e12b999de08d520c395.pdf
- https://static.usrfiles.com/ugd/16a96a_439a19782a0d4fc4a03c2994b8d9388a.pdf
- https://static.usrfiles.com/ugd/0baf77_ad3b9c6ecc6943d9afaff509824d9bd0.pdf
- https://cdn.shopify.com/s/files/1/0431/0918/7750/files/46240425642.pdf
- https://cdn.shopify.com/s/files/1/0427/4041/6678/files/knee_exercises_nhs.pdf
- https://static.usrfiles.com/ugd/b222ea_67bb04f881fb467c97f62371ee73547a.pdf
- https://static.usrfiles.com/ugd/2f7815_00eca86570cb4dcab16d2b6f3628e6d7.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_off00005f8a.bin` `f1302fcb02d0bcdd455bbfe175a570855c69a24aa54d73e875760bec2eeadbca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F8A	5084 bytes
`font_01_sfnt_off000070cc.bin` `80b742063548216682b2d760f42a765bb2f4e0680068cff47952f2c826c8c452`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70CC	10304 bytes

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