PDF malware analysis — malicious · 913e73b5e98c8acf

MALICIOUS

PDF

55.8 KB Created: 2021-04-02 01:56:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: aac04480cda8db4fd3fd4a3989a58077 SHA-1: 9a4898e9ff37ecf6f19c7b3150e43f2d6206f73d SHA-256: 913e73b5e98c8acf5d90a27c43921e133ccfadbb284bdb21a8e599303247e19a

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns, containing multiple external URIs. The ClamAV detection and ML classifier strongly indicate malicious intent. The document's structure and embedded URLs suggest it's part of a link farm designed to redirect users to potentially malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.8382

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 55 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://maypoin.ru/award?keyword=beekeeping+tools+and+equipment+pdf
- http://fridgeservice.ru/52405860905dqf1a.pdf
- http://gonojokolekovo.22web.org/57159963148.pdf
- https://cdn.sqhk.co/jekidase/bhj6hjp/pokeball_plus_sword_and_shield_exp.pdf
- http://toxipoxekej.medianewsonline.com/cabelas_commercial_meat_grinder_parts.pdf
- http://najelipopusivut.getenjoyment.net/define_accounting_system.pdf
- https://cdn.sqhk.co/sawapevodef/7hhiez7/flick_shoot_2_mod_apk_download.pdf
- http://marketeuro.pro/republic_ez_broadcast_spreader1jf2h.pdf
- http://kutakelipaxeb.22web.org/72238626230.pdf
- https://cdn.sqhk.co/fusexabuvej/gbgeFnx/148195520.pdf
- http://freefire-gifts.com/981536359621rnx5.pdf
- http://sq11mini.com/78735635966679jh.pdf
- http://joweponula.mywebcommunity.org/newtons_2nd_law_of_motion_real_life_examples.pdf
- https://cdn.sqhk.co/jirowolad/jWGWjhP/video_downloader_chrome_mobile.pdf
- http://wipineda.iblogger.org/ischaemic_heart_disease_fact_sheet.pdf
- http://kololujes.rf.gd/ethics_integrity_and_aptitude_book_in_hindi_download.pdf
- http://nitubak.atwebpages.com/epigastric_hernia.pdf
- http://muvelexadaw.epizy.com/89234567377.pdf
- http://tuzegonu.rf.gd/how_to_use_apple_music_on_imovie_iphone.pdf
- https://uploads.strikinglycdn.com/files/469f0d6b-3724-499a-aafd-532f0585c7f9/vulurod.pdf
- http://xupanapil.epizy.com/printable_blank_cootie_catcher_template.pdf
- http://disofebuwugojuj.epizy.com/ganafupinovujok.pdf
- https://uploads.strikinglycdn.com/files/09cecfb9-d67a-42c0-9923-94b1941cdbaf/gofojuvozasipetekum.pdf
- https://uploads.strikinglycdn.com/files/e02a854c-f3ce-4487-9498-69dbe31565fd/aswc-1_honda_civic.pdf
- https://uploads.strikinglycdn.com/files/64aaf2d3-868d-4e6d-b5d0-93b99b392100/how_to_find_a_quote_page_number.pdf

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