PDF malware analysis — malicious · 4d12f4715dac2438

MALICIOUS

PDF

105.5 KB Created: 2020-11-18 07:54:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 4acbf42c6e953ec5e314f6fddb5ab30d SHA-1: e61cd52940d30e47fc6d43eac5916fa8e1784b3b SHA-256: 4d12f4715dac2438f956cd45068ceb2eba0f845f930f1ad3ad6beb56bb7b6267

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.7508

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://traffmen.ru/wb?keyword=fistful%20of%20frags%20achievement%20guide In PDF document text
- https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/a65964dd3f.pdfIn PDF document text
- https://jijukufopu.weebly.com/uploads/1/3/4/7/134735153/4601436.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43d55c36-53fa-407b-afcc-b9e341a09e46/25174899614.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/bise_fsd_9th_result_2019.pdfIn PDF document text
- https://s3.amazonaws.com/fosagoba/nibefibite.pdfIn PDF document text
- https://s3.amazonaws.com/remeranexe/beeswax_uses.pdfIn PDF document text
- https://s3.amazonaws.com/wujapu/69283820806.pdfIn PDF document text
- https://s3.amazonaws.com/betimugi/binary_tree_zigzag_level_order_traversal_lintcode.pdfIn PDF document text
- https://s3.amazonaws.com/baxunaf/queensbury_school_tool_portal.pdfIn PDF document text
- https://s3.amazonaws.com/mefadedosuw/bastard_operator_from_hell_deutsch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6269d17-4188-4758-b453-68f8864c84c4/29391058484.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/animal_farm_chapter_7.pdfIn PDF document text

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