PDF malware analysis — malicious · fdf4185b3e2bb333

MALICIOUS

PDF

61.2 KB Created: 2021-05-19 22:01:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 57b6c96a39e4f08790f5a088b4e4826b SHA-1: 50c22090147a7b133e76ccd9ac581329a58af610 SHA-256: fdf4185b3e2bb3338c8779bae07ac2a3964029e29524e5b37397b3835587d466

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains a large number of external links, many of which point to potentially malicious domains, indicating a link farm or SEO spam tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and numerous external URIs suggest an attempt to redirect users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9909

Heuristics 4

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.
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
External URI info PDF_URI

PDF contains an external URL action
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://nipisod.ru/strik?utm_term=mashed+potatoes+from+scratch+without+milk
- https://zojivevu.weebly.com/uploads/1/3/6/0/136090852/4ab7ffc.pdf
- https://vawuzusafut.weebly.com/uploads/1/3/4/8/134863851/4188672.pdf
- https://cdn-cms.f-static.net/uploads/4372753/normal_603d907d4891c.pdf
- https://wetolobumusu.weebly.com/uploads/1/3/4/5/134579125/xidedu.pdf
- https://mefirotevi.weebly.com/uploads/1/3/5/3/135314773/847614.pdf
- https://cdn-cms.f-static.net/uploads/4389355/normal_5fd797fef2f9c.pdf
- https://s3.amazonaws.com/xamibebulosaxug/all_india_survey_on_higher_education_report.pdf
- https://s3.amazonaws.com/silubebebefuju/debidas.pdf
- https://s3.amazonaws.com/gitipelut/league_1_table_form_guide.pdf
- https://uploads.strikinglycdn.com/files/ff779d36-e21e-4634-a27a-2ada5fa0def0/windows_tcp_ip_ephemeral_port_range.pdf
- https://s3.amazonaws.com/toguvaju/vekabaloxetibira.pdf
- https://s3.amazonaws.com/mekonulegipero/background_images_hd_1080p_free_picsart.pdf
- https://uploads.strikinglycdn.com/files/c733dbfa-f035-4ecb-8e88-bfe721fa35c1/jowenadevipawodapadarab.pdf
- https://s3.amazonaws.com/pusolefosex/my_hot_tub_wont_power_on.pdf
- https://s3.amazonaws.com/xefezesebusu/xomixijiwekav.pdf
- https://uploads.strikinglycdn.com/files/0cd723d0-9fd3-453f-b9ec-4ac57ed49d38/97910561925.pdf
- https://s3.amazonaws.com/nuruvapozixix/2008_honda_civic_hybrid_oil_life_reset.pdf
- https://s3.amazonaws.com/mexijegedakol/30079074132.pdf
- https://s3.amazonaws.com/nerugiraxura/nasibopavuloje.pdf
- https://s3.amazonaws.com/wukara/mi_airdots_manual.pdf

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