PDF malware analysis — malicious · 12b960dcffa87f73

MALICIOUS

PDF

73.5 KB Created: 2021-03-13 23:08:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ab9b05c2e0d76edb1b8bb4145c61ce36 SHA-1: 2bdda9e79415683738980c0a3676a853732e5009 SHA-256: 12b960dcffa87f73d8b026c979d707bcb3ef6817eeff349e908cf237eb6ba40b

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or scam campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed to host multiple links on disposable hosting, further suggesting malicious intent. ClamAV detection confirms this file is malicious, specifically identified as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0'.

Machine Learning

Nyx PDF Classifier malicious score 0.8377

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
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://zajinet.ru/strik?utm_term=what+age+is+the+magic+tree+house+books+for
- http://lezigovedavide.getenjoyment.net/the_beautiful_and_damned_summary.pdf
- https://cdn.sqhk.co/mevazasid/Nfjfshd/airline_commander_a_real_flight_experience_hack_apk.pdf
- http://rumurel.mywebcommunity.org/fexekilaloz.pdf
- http://fapasevusiledap.mygamesonline.org/45887472504.pdf
- https://cdn.sqhk.co/zelosoza/gXhghcg/52253027286.pdf
- http://geparup.scienceontheweb.net/kizodipiwoluteveladesazip.pdf
- https://cdn.sqhk.co/letareximo/ghK6HVW/pool_billiards_pro_mod_apk_revdl.pdf
- https://cdn.sqhk.co/jejefudebuxi/nhg7Xng/large_cordless_phones_for_seniors.pdf
- https://ribiridoxa.weebly.com/uploads/1/3/0/8/130874248/pobimij.pdf
- https://cdn.sqhk.co/rabataxuvax/CFygdjc/20444387303.pdf
- https://zuwukozoxuwiged.weebly.com/uploads/1/3/4/7/134713444/7296962.pdf
- https://vemujevamari.weebly.com/uploads/1/3/1/4/131452814/a569469db5fc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/fedojigudaj/risk_of_rain_2_rex_guide.pdf
- https://s3.amazonaws.com/rutufokedizon/microsoft_licensing_guide_windows_server_2016.pdf
- http://rujidafedisezu.atwebpages.com/rifimozol.pdf
- http://xobibaga.myartsonline.com/line_6_spider_valve_mkii_hd100.pdf
- https://s3.amazonaws.com/rewepalazamiso/25519846904.pdf
- https://s3.amazonaws.com/bidivo/79148105663.pdf
- http://lesidiwajenowil.myartsonline.com/61271862215.pdf
- http://xawiwevivuzox.onlinewebshop.net/fake_medical_report.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ef07.bin` `135affeaba15af62c2991ed8080de26d07bc7f690b868fda6bf464acf3587a8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF07	5480 bytes
`font_01_sfnt_off00010194.bin` `42f4a857718b32aa49a3dd11dfbcb49334739e81bcc0395c98b03cf99b0a3975`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10194	11288 bytes

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