PDF malware analysis — malicious · 0b72369d48770d0f

MALICIOUS

PDF

52.1 KB Created: 2020-11-04 09:04:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 922f1fc0bbb8b38cd132f69250b2845b SHA-1: 7a1f18d16832f4c73a7aa768a525d7ec54fc8ec9 SHA-256: 0b72369d48770d0f9b883ba5977f35fe50b00c42ae9ddf20e20ea658a381b51f

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL. This suggests the primary purpose is to redirect users to a malicious site, likely for phishing or malware distribution.

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.cc/123?keyword=desert+food+web+detailed
- https://fumumakol.weebly.com/uploads/1/3/4/0/134017799/847612.pdf
- https://cdn-cms.f-static.net/uploads/4450141/normal_5fa147c5e558b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/63ba605a-4847-4d30-b309-7e97d1ff105b/29383716131.pdf
- https://s3.amazonaws.com/rozebofukixus/17117820235.pdf
- https://s3.amazonaws.com/rujimidujek/tagudimojor.pdf
- https://uploads.strikinglycdn.com/files/ccd8f038-f381-4d92-b6f2-d1926e81784f/what_is_shore_duty_in_the_navy.pdf
- https://s3.amazonaws.com/henghuili-files/jidewawurododifan.pdf
- https://s3.amazonaws.com/toliwudalamem/ballet_terms.pdf
- https://uploads.strikinglycdn.com/files/c52d5f28-3cfd-4b92-bb88-4f579de0b4b1/70893946115.pdf
- https://s3.amazonaws.com/napoledunadigo/musica_de_los_90_para_hacer_ejercicio.pdf
- https://s3.amazonaws.com/bizamesuwepe/wordly_wise_book_8_lesson_1.pdf
- https://s3.amazonaws.com/wapabefizosumi/robuzu.pdf
- https://s3.amazonaws.com/jakujakula/soxobedomosubasiwerunepa.pdf
- https://s3.amazonaws.com/rovikibixu/sakutimopujelemom.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_off00008e0c.bin` `e2c451a2d239c8e38125246194204bcfd829305bd58f98a034117f7451e49d61`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E0C	5132 bytes
`font_01_sfnt_off00009fa4.bin` `b81597abb4f1f65af1e8b825e1ae22d629c1e8f0fad2775580e3bdf219695f2e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FA4	10460 bytes

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