PDF malware analysis — malicious · 030477ee5644258a

MALICIOUS

PDF

40.2 KB Created: 2020-08-15 03:24:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6af9ccb96603d73a50f9afb688b74b0b SHA-1: b27122e17508515bcedcbb13d9cbfb77b592963f SHA-256: 030477ee5644258a4c3c3a6c9e13293e7891cc1ba6d1304fd20444e4f931ae98

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a link to a known malicious redirector, indicating an attempt to lure users to malicious content. The heuristic firings suggest this PDF is part of a link farm designed for SEO manipulation, likely to distribute malware or phishing content. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

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/wb?keyword=lithium%20disilicate%20ceramic%20pdf
- http://files.carzlyfe.com/uploads/1/3/1/8/131856358/202524.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/1647/8110/files/pilavuvunororazi.pdf
- https://cdn.shopify.com/s/files/1/0433/3705/6414/files/nelopujixapimemulux.pdf
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/39721814967.pdf
- https://cdn.shopify.com/s/files/1/0431/1662/6082/files/13108081644.pdf
- https://cdn.shopify.com/s/files/1/0437/3217/2951/files/charizard_coloring_page.pdf
- https://cdn.shopify.com/s/files/1/0431/1964/0738/files/24621824745.pdf
- https://cdn.shopify.com/s/files/1/0437/1172/5723/files/28762846054.pdf
- https://cdn.shopify.com/s/files/1/0431/2124/6370/files/google_docs_resume_and_cover_letter_templates.pdf
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/37650540155.pdf
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/diccionario_biblico_vine_gratis.pdf
- https://cdn.shopify.com/s/files/1/0435/6482/6773/files/97285331402.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_off00005e40.bin` `7a5dea1e8a1f963957d619ee057bc8c0b02345b0e8adb63ef75561e3055a3ac4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E40	5336 bytes
`font_01_sfnt_off0000703f.bin` `0641117ef6bcf95229c79ae11fe4ed44b13a232b19af01cbfa2aac028d187f69`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x703F	10776 bytes

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