Malicious PDF — malware analysis report

Static analysis result for SHA-256 70d4fa8c72d1e459…

MALICIOUS

PDF

61.1 KB Created: 2021-03-20 18:09:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 3acb3a56f580ba7f66e928fff5507f34 SHA-1: 47e595747b5ab668baa8bd107c69fada96a24612 SHA-256: 70d4fa8c72d1e459d404d83c19efd938d4d4718d783d7da3a3cb2ffbd77cdee7
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms it is a phishing trojan. The ML classifier also flagged it with high confidence. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external links and malware detection strongly suggests a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8623

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://jumiwimov.ru/strik?utm_term=song+lyrics+lord+i+need+you+matt+maher PDF link annotation
    • https://cdn.sqhk.co/naziwixolagu/gjXibeM/delivery_from_the_pain_survival.pdfIn PDF document text
    • http://cafe-cok.ru/jirorewiwoj52mdb.pdfIn PDF document text
    • https://cdn.sqhk.co/nemisova/jddBgeX/pajolunamoresarafovur.pdfIn PDF document text
    • https://cdn.sqhk.co/nesadatifu/hibiduh/sojogijulava.pdfIn PDF document text
    • http://reduslim-europa.site/android_resize_bitmap_matrix4l5of.pdfIn PDF document text
    • https://cdn.sqhk.co/numexerab/UMrjgFi/mehandi_circus_background_music.pdfIn PDF document text
    • https://cdn.sqhk.co/gunuzuli/xPxpheC/super_smooth_scrolling_android.pdfIn PDF document text
    • https://cdn.sqhk.co/vutenugade/Shegshc/54274895510.pdfIn PDF document text
    • https://cdn.sqhk.co/xonudutixova/aF3RHij/21111968141.pdfIn PDF document text
    • http://xorabawik.medianewsonline.com/olivetti_lettera_32_manuale_italiano.pdfIn PDF document text
    • https://cdn.sqhk.co/nenafodud/hPheokB/wuborogakilaridekozikape.pdfIn PDF document text
    • http://draiwenstore.online/1650536323124qwl.pdfIn PDF document text
    • https://cdn.sqhk.co/jiluputumusi/IFjjAK7/jetpack_joyride_mod_apk_everything_unlocked_ios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c40332d7-2ded-4524-8f34-0424c4b1664b/what_is_the_difference_between_latin_and_greek_root_words.pdfIn PDF document text
    • http://nipizil.epizy.com/free_annual_three_bureau_credit_report.pdfIn PDF document text
    • http://dakawarinuku.epizy.com/alien_isolation_pc_full_game.pdfIn PDF document text
    • http://duxumuludeza.rf.gd/biotite_crystal_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c52bff01-8b85-4712-9895-689ceb9ccba4/30608589103.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c2fb5ccb-1d49-4602-890a-d90995a54055/the_republic_of_sarah_cw_trailer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a79491db-22ed-4af7-8d45-a0116a433a13/cuisinart_bread_maker_manual_cbk_200.pdfIn PDF document text
    • http://zikoliduxa.atwebpages.com/does_feng_shui_bracelet_work.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25197fd4-67fa-4eea-8c2e-6ef00eba6005/rufar.pdfIn PDF document text