PDF malware analysis — malicious · 7fe01bc3138960d2

MALICIOUS

PDF

79.1 KB Created: 2021-03-20 06:52:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 86fb4b77111be3c50861827933ed1a0c SHA-1: 237af720315c8b217ac5236ec90ff197eb8fa9cc SHA-256: 7fe01bc3138960d2f6468a03540946d80bb6992682736bf798b098f2bb67992f

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many of which are hosted on dynamic DNS services or link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and numerous external URIs are indicative of a malicious document designed to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9479

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://dafemum.ru/award?keyword=toyota+motor+manufacturing+case+study+pdf
- https://cdn.sqhk.co/vubiwete/jeghlge/pixel_pirates_eso.pdf
- https://cdn.sqhk.co/madilaxetevo/xgcNeYZ/flag_football_referee_positions.pdf
- https://cdn.sqhk.co/vadetegubufo/8mdj2UF/wazabofaxurijoguvawimo.pdf
- http://tometifo.getenjoyment.net/airwell-fedders_ac_age.pdf
- https://dawipufa.weebly.com/uploads/1/3/3/9/133986453/2770394.pdf
- https://cdn.sqhk.co/jemitaso/hjVRhdW/63251057154.pdf
- https://cdn.sqhk.co/kenalutaxi/fN0JKjc/vagemadanodonefas.pdf
- https://kuxijixa.weebly.com/uploads/1/3/4/8/134856984/kiludekasokat.pdf
- https://cdn.sqhk.co/pulizojiwim/kTnTBfU/scared_jeremy_zucker_piano_sheet_music.pdf
- https://doxefifuz.weebly.com/uploads/1/3/0/9/130969363/seluluko.pdf
- https://fosozofafeg.weebly.com/uploads/1/3/1/8/131856121/2203253.pdf
- https://cdn.sqhk.co/dasofuduveje/ihgh9Zj/rolling_sky_monster_city_download.pdf
- http://xedanono.iblogger.org/boy_scout_camp_menu_planner.pdf
- https://namonivet.weebly.com/uploads/1/3/4/4/134493383/nuwenuzokipe.pdf
- https://cdn.sqhk.co/vameduvide/0hbjff5/unwanted_experiment_apk.pdf
- https://cdn.sqhk.co/nowonipewo/jiFZWie/temevugujavak.pdf
- https://cdn.sqhk.co/lokutibu/idicimx/72073456356.pdf
- http://dosijefa.mypressonline.com/renters_lease.pdf
- https://cdn.sqhk.co/xumesapaxoku/geaFzX8/jotibexus.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fajazimigig.atwebpages.com/pasiveta.pdf
- http://kivutivepew.rf.gd/22995593785.pdf
- http://nozoxofepek.rf.gd/72798181870.pdf
- http://biwosagamivi.myartsonline.com/japofogasumazaw.pdf
- http://xonifovozub.epizy.com/brochure_template_microsoft_word_2007_free.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010a93.bin` `febab4c5374b5b2be0aa2ad18be9d822cd6fee3277b8cefad39a0b4e56db3c3c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A93	5496 bytes
`font_01_sfnt_off00011d3d.bin` `06b9b3f4f42c1ff926bd8f970305ab4601666e74c18c434d6c5b239272f08a7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11D3D	10768 bytes

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