PDF malware analysis — malicious · c57380503c8e7c2b

MALICIOUS

PDF

39.1 KB Created: 2020-08-29 07:10:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bdad650578ccd2b03425781e996b3d15 SHA-1: 62d329ba67411d1f672eb89ff066da32ea562f60 SHA-256: c57380503c8e7c2bfc3485f8f87e4721622a07941f79919a968d15d8a1c6b0f3

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that redirect to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that mirrors the malicious redirector. This suggests the primary purpose is to drive traffic to malicious infrastructure, likely for further exploitation or phishing. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, further supporting the lure mechanism.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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=free+printable+large+scrabble+letters+pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wekisod.pdf
- https://cdn.shopify.com/s/files/1/0430/8320/2711/files/sondan_ka_basama_0_dr.pdf
- https://cdn.shopify.com/s/files/1/0432/5048/3368/files/11th_ncert_biology_book_download.pdf
- https://cdn.shopify.com/s/files/1/0432/2561/2450/files/escuelas_de_krav_maga.pdf
- https://static.usrfiles.com/ugd/b8c837_21ad45548ec24ba9beaa6ae3115645ce.pdf
- https://static.usrfiles.com/ugd/b8c837_b3fef2bdc9964125807655ed9b5e839e.pdf
- https://static.usrfiles.com/ugd/b8c837_d0003d6e7db749eeb8e3909d91259118.pdf
- https://static.usrfiles.com/ugd/b8c837_97c468cfd3ee45e4b0c3034c15c84f8b.pdf
- https://static.usrfiles.com/ugd/b8c837_2127aa53c9f34d248654fed367439231.pdf
- https://static.usrfiles.com/ugd/b8c837_61aa954e9a2c416e8cf530f4bbf5c2ce.pdf
- https://static.usrfiles.com/ugd/b8c837_86e0a1df3c06419284ae1ae96e394199.pdf
- https://static.usrfiles.com/ugd/b8c837_1f3dcc434ccf4713bb7ef50dd056a26e.pdf
- https://static.usrfiles.com/ugd/b8c837_bdc2cf9ebb4d4a149e0e175c238cc992.pdf
- https://static.usrfiles.com/ugd/b8c837_d424ac2844b1474390a801dd8b290f2a.pdf
- https://static.usrfiles.com/ugd/b8c837_5dac4b4bd9f741ab8b2ab39a188db7e5.pdf
- https://static.usrfiles.com/ugd/b8c837_b9a42f47445e48849989b37a702e4ada.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005acc.bin` `cf4e491c58eeaace415eb660fb7d23cf4a6d12525c5b319374703f1f274cce71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5ACC	5420 bytes
`font_01_sfnt_off00006d33.bin` `0998012bdce003913d69a573f76b22fda2e132ee7b48b71e96a6de7802e225a6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6D33	9980 bytes

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