PDF malware analysis — malicious · 5d2c56615b363097

MALICIOUS

PDF

40.9 KB Created: 2020-08-29 17:24:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5b32fa93594ef8b1ce519f0f0feedcaf SHA-1: de1ca071e36700300314a92abb49887742efbc8e SHA-256: 5d2c56615b363097bae13312570f0afc0f0ee3b189f4207632b1d423d00255ae

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many of which are benign but serve to obscure the malicious one. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting an attempt to trick users into clicking through to potentially harmful content.

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.com/wix?keyword=community+tech+tree+ksp
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/d4a9d6_a35611fcdb5d411e926fbf739b1827d1.pdf
- https://static.usrfiles.com/ugd/b8c837_bc0c4db397c340528d5172c59936b4ea.pdf
- https://static.usrfiles.com/ugd/b8c837_5b43aa52fe5544a390e22e3d4a170f3b.pdf
- https://static.usrfiles.com/ugd/b8c837_f26ee052378b49ab8788594b0c1bd47c.pdf
- https://static.usrfiles.com/ugd/455f95_56c59a94ed044efb9337164697ca4506.pdf
- https://static.usrfiles.com/ugd/b8c837_01c0d35c53b741568e686c0c6e08911c.pdf
- https://static.usrfiles.com/ugd/e2c6c1_9dc451814d274b4fb06482135880f07f.pdf
- https://static.usrfiles.com/ugd/238140_c688ae89907d4855a2f18855db018e56.pdf
- https://cdn.shopify.com/s/files/1/0430/6056/0025/files/latoxonulexexerisupirebok.pdf
- https://cdn.shopify.com/s/files/1/0431/6587/6379/files/alp_loco_pilot_answer_key_sarkari_result.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_off00006164.bin` `59d6952a353d99784596fb19eed8f15ad379a70be5d514afddfc864abff92fe9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6164	5000 bytes
`font_01_sfnt_off00007248.bin` `4db92a860c86dcdb656f7e1c3401c5b95e238a75034be706e17358626d818b8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7248	10796 bytes

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