PDF malware analysis — malicious · 7049589cf9471f0c

MALICIOUS

PDF

46.9 KB Created: 2020-09-13 10:10:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a791997fd5b211d2a1566596a54fc40c SHA-1: ec36e37e990cd8fbfc103319db45229bb28ea878 SHA-256: 7049589cf9471f0cca7c2444e88e9a70390efce6cc67ef1d7a59679b3dda0de2

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a malicious redirector, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains the same URL and a keyword related to the link, indicating an attempt to lure the user. The presence of numerous other PDF links further supports the idea of a link farm designed to obscure the malicious destination.

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=watch+band+pins+keep+falling+out
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/f3cb45_bcce49377d28408ebbf34f327c8548ce.pdf
- https://static.usrfiles.com/ugd/b8c837_8afbc1d284604938b04773cf9b93acff.pdf
- https://static.usrfiles.com/ugd/bdeb4c_421d953ace1a4bb69934872b4669fa05.pdf
- https://static.usrfiles.com/ugd/3de8a6_02c9ebe7394c459ab365ce97b9d3c2b2.pdf
- https://static.usrfiles.com/ugd/b8c837_b95716b858614aa88eb1b35794524522.pdf
- https://cdn.shopify.com/s/files/1/0461/8066/3450/files/nezoxuraraxe.pdf
- https://cdn.shopify.com/s/files/1/0436/8069/4437/files/94426791624.pdf
- https://cdn.shopify.com/s/files/1/0454/2483/6764/files/jipikeboxoxat.pdf
- https://cdn.shopify.com/s/files/1/0430/7291/3557/files/brain_functional_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0433/4508/4574/files/apx_alarm_manual.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006a43.bin` `dbd6c143de0070474ed8b6118820fb996718e6e4dae2ce282417b36771c1eccc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A43	5420 bytes
`font_01_sfnt_off00007cb4.bin` `50a8b23e31405a25c6814b18fa473b2e43e6774eaa03e7c54bb65db5f26ea805`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CB4	10452 bytes
`font_02_sfnt_off0000a067.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA067	4324 bytes

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