PDF malware analysis — malicious · 92624e97988dfaec

MALICIOUS

PDF

82.2 KB Created: 2021-02-26 12:47:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 358124cd86a79f352bd78d3dca08c734 SHA-1: 123fc1617d31b8ce07a54befb841691f43843aae SHA-256: 92624e97988dfaec39ec76e8adda471a34d516730d3cbe34b02763120073891a

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, specifically identified as a phishing trojan. It contains an embedded URL that mimics a search query, likely intended to trick users into visiting a malicious site for information. No scripts were extracted, but the presence of the malicious URL and the phishing detection strongly indicate a social engineering attack.

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://ponafet.ru/wix?keyword=vocabulario+2+capitulo+1+answers
- https://static.s123-cdn-static.com/uploads/4451567/normal_5ff661e77ed8c.pdf
- http://kilesetemopibaf.22web.org/tevajovegazuzazetifulutov.pdf
- http://xubanapirobula.mypressonline.com/wheres_waldo_online_game.pdf
- http://tejovotemikodes.getenjoyment.net/5683186953.pdf
- https://static.s123-cdn-static.com/uploads/4391915/normal_5ff1729a8d5f4.pdf
- http://fujigukatujewu.medianewsonline.com/favoki.pdf
- http://kanaxade.mygamesonline.org/42681165130.pdf
- https://static.s123-cdn-static.com/uploads/4499653/normal_600482ff952ea.pdf
- https://static.s123-cdn-static.com/uploads/4449768/normal_6000bdc67b86b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://romezegipoxo.epizy.com/alpine_village_swap_meet_vendor_information.pdf
- http://ketabigumowun.atwebpages.com/zalejirafufurud.pdf
- http://dapizodipe.myartsonline.com/how_much_does_a_baby_grand_piano_cost_used.pdf
- http://pojozija.onlinewebshop.net/is_it_legal_to_marry_two_wives_in_australia.pdf
- http://luredavum.epizy.com/7325132770.pdf
- http://kepisuv.epizy.com/meme_generator_free_apk_ios.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f70e.bin` `26f67d35f1b17aa76b1bedd5290c4ea08c26aadfb635666089251aafb4424556`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF70E	5188 bytes
`font_01_sfnt_off000108cb.bin` `9a97ccc76f221236cdeee8220f021cbd138a16667382abf6417caa338b34002a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x108CB	10900 bytes
`font_02_sfnt_off00012de7.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12DE7	4324 bytes

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