PDF malware analysis — malicious · c8e4c00752c5b907

MALICIOUS

PDF

80.4 KB Created: 2021-04-05 00:20:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: d6e1806980e67cb4edb4aab9e8bf699d SHA-1: 9bb3a2a205b543ac71c2c3cffa1258641b65660e SHA-256: c8e4c00752c5b9073fc737a2e687ce12552d0710124c4df206e9cf3877026e4f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to a product search, aiming to trick users into clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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
External URI info PDF_URI

PDF contains an external URL action
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://xezojetit.ru/wix?keyword=air+venturi+g6+hand+pump+rebuild
- http://health-top.ru/93172955123ykt1m.pdf
- https://xubidanata.weebly.com/uploads/1/3/4/8/134895671/2044061.pdf
- http://hiziryigit.online/7280785446256npm.pdf
- http://sibuvre.com/multivariate_statistics_repeated_measuresr4e73.pdf
- http://bigmagazin.xyz/97389951756cw41o.pdf
- http://stav-games.ru/how_to_share_a_document_on_facebook_group88pvu.pdf
- https://bogizironafek.weebly.com/uploads/1/3/1/4/131406395/c700251c9b8a.pdf
- https://vovamujif.weebly.com/uploads/1/3/5/3/135318660/pinuvedusoxufogen.pdf
- https://xekurisiwa.weebly.com/uploads/1/3/4/4/134401096/ac85cb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://467375c7-a7a6-4806-a9b7-892c2a528f89.filesusr.com/ugd/911174_b30e13adffc54bec9fe4ee834a90827a.pdf?index=true
- https://s3.amazonaws.com/roxawo/miya_bhai_song_mp4.pdf
- https://e590c0d9-b694-44fb-9862-47327b30d8b0.filesusr.com/ugd/89363e_9a965637ebc04307827e35d38ae89357.pdf?index=true
- https://s3.amazonaws.com/tomaxade/36604048006.pdf
- https://s3.amazonaws.com/luborinizu/36485046639.pdf
- https://s3.amazonaws.com/tubukeganuji/according_to_matthew_full_movie_hd.pdf
- https://db6d201d-bdff-4648-9982-d9cfaac7639e.filesusr.com/ugd/98857b_43fa01cb4190402ebc23cae805730d09.pdf?index=true
- https://9480ebe7-8096-4165-94d5-b35dd525e9f4.filesusr.com/ugd/07b43d_40bf0374a475477f8c3ae1adca6fdc3b.pdf?index=true
- 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_off0000fb7f.bin` `cf9d097e763573e15cc431091eb498912055728c92502cc0a8eee8bb6ea840ae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB7F	5536 bytes
`font_01_sfnt_off00010e2b.bin` `5dbb5aad15055746b6208f1dd7f95a05b14618e05c071e8ab29a6cbd6360c894`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E2B	11196 bytes

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