PDF malware analysis — malicious · 0233492407d5ecaf

MALICIOUS

PDF

39.5 KB Created: 2020-08-26 01:51:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 96dd5f3ad13c4d35751b43512ae49db1 SHA-1: 3f96eb545cd99f57a064ce41a03aa4eb85987a88 SHA-256: 0233492407d5ecaf38092d08fbf46cec9e11b8317fb676dc254084418096911f

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document body contains numerous URLs pointing to other PDF files, forming a link farm. The primary malicious URL identified is https://ttraff.club/pify?keyword=christmas+brain+teasers+pdf, which likely serves as a gateway to further malicious content or phishing attempts.

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.club/pify?keyword=christmas+brain+teasers+pdf
- http://files.njmstudio.com/uploads/1/3/0/7/130775747/1039288.pdf
- http://files.quentinucc.org/uploads/1/3/2/3/132303045/6df92a93f03c.pdf
- http://talubupu.hdblues.org/uploads/1/3/1/4/131407668/0440d0ad9d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6108/3288/files/philips_beard_trimmer_7000_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/bexesunexepagifuj.pdf
- https://cdn.shopify.com/s/files/1/0434/6216/4644/files/lynnhaven_fishing_pier_report.pdf
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/56269925624.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/25601400977.pdf
- https://cdn.shopify.com/s/files/1/0435/3058/4213/files/advanced_plant_ecology.pdf
- https://cdn.shopify.com/s/files/1/0431/3900/6632/files/underlord_mobile_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/9272/8224/files/sabidosumotagivoba.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_off00005da6.bin` `333cf0ee695fe5fd661fbf2b28b10ff0cdcb4b79d3a8ca56f2c4375024d8e4d2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DA6	5296 bytes
`font_01_sfnt_off00006f73.bin` `c8614aa4ccdd18a725048cd6c42af75cb2096289355eabe806d44556acd73fa0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F73	10040 bytes

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