PDF malware analysis — malicious · 0f3510678825c3cd

MALICIOUS

PDF

43.3 KB Created: 2020-08-30 16:02:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0417ce359b83f7f2836b2b6a2a14a148 SHA-1: bf15cf1b5bf47aa046674c23e98312635b5b725f SHA-256: 0f3510678825c3cd50b2ed5467ea2cace438c9f990e545cec64aa9c4390c100a

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm pointing to numerous other PDFs, with one primary link leading to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking PDF links, suggesting a lure to trick users into clicking the malicious link. 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.cc/wix?keyword=mapa+governador+valadares+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/8110/9405/files/kapuwawusekubisavuda.pdf
- https://cdn.shopify.com/s/files/1/0433/7834/4097/files/ritubekudilovonemi.pdf
- https://cdn.shopify.com/s/files/1/0436/2944/5273/files/82662712901.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/devaleparisekobelete.pdf
- https://cdn.shopify.com/s/files/1/0435/6761/2063/files/uk_board_exam_2018_date_sheet.pdf
- https://static.usrfiles.com/ugd/b8c837_3818fe0eb3334579ad71dfd449b18d41.pdf
- https://static.usrfiles.com/ugd/b8c837_f3b7e6ba1dcd4a3a8e9da07b81913988.pdf
- https://static.usrfiles.com/ugd/de60da_0203cbf0169040b195680a388981e299.pdf
- https://static.usrfiles.com/ugd/50c35f_d7df059025794a3c9a7c9199941e383b.pdf
- https://static.usrfiles.com/ugd/b8c837_3ae7500b4a6e419fb4371d4f923e6e19.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1068/files/nisiwopigupuje.pdf
- https://cdn.shopify.com/s/files/1/0434/4496/1446/files/spotify_premium_apk_2019_iphone.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_off00005ead.bin` `98b7081932bc5d96897df028b96eb661f2c4b546dbb9f424dc703a4d03ea6bd0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EAD	5272 bytes
`font_01_sfnt_off000070bf.bin` `55c12d1544d6b1e665883505c81c3608601bb019a914ca990ba98c06deb0e6db`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70BF	15964 bytes

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