PDF malware analysis — malicious · 767edbb7e6f7cbef

MALICIOUS

PDF

39.6 KB Created: 2020-08-30 02:55:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0dc2c8ad4f13b95bbb0372a27364bbb1 SHA-1: 6329b381ba5f1af61bb804e7b443666675066885 SHA-256: 767edbb7e6f7cbef5730d8e15afbff7d5a58d113065d50c40c020f3f4338742c

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL, 'https://ttraff.me/wix?keyword=organizational+behavior+book', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a link farm or SEO manipulation tactic to drive traffic to malicious sites. 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=organizational+behavior+book
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_c158ba2cfbc04189b35daf60ae48f1cc.pdf
- https://static.usrfiles.com/ugd/bfbc46_2c50744e0f634192b368a2886be8deff.pdf
- https://static.usrfiles.com/ugd/e2f7e1_75bd07945d99465e8195346586735b87.pdf
- https://static.usrfiles.com/ugd/b8c837_0112edbed89145b9be46dabcb3dd0050.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/29246700998.pdf
- https://cdn.shopify.com/s/files/1/0434/9765/2376/files/volerobi.pdf
- https://cdn.shopify.com/s/files/1/0429/4737/9356/files/puzasuvunojukezi.pdf
- https://cdn.shopify.com/s/files/1/0434/7510/7992/files/ps_form_3849.pdf
- https://static.usrfiles.com/ugd/b8c837_8d131643174e403598696e0872934691.pdf
- https://static.usrfiles.com/ugd/409ca8_9dee0467316a438d8ebef2bcd9b0a731.pdf
- https://static.usrfiles.com/ugd/2b25b5_9c0a1c6583e04b5cbc8af2bb189a0099.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_off00005eb1.bin` `363a44b4262e3d8076e6a0961355a87ea0d798415fc66e53a18a88b49e5ba5f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EB1	5108 bytes
`font_01_sfnt_off0000701b.bin` `a99754d36e43a4c5041543b92971f4f00f1c39d595f035eb1e010d79e99c5b4c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x701B	9908 bytes

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