Malicious PDF — malware analysis report

Static analysis result for SHA-256 e720dd04e4732ee4…

MALICIOUS

PDF

78.0 KB Created: 2021-03-18 20:30:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 728aa16c07443fac9dd6bf5bcb88bcd0 SHA-1: d2ff8cb969777e3cf32f91ebc364337710ca06af SHA-256: e720dd04e4732ee4deae67e563420ac339c59a5a98817023d67c57dbabae9130
136 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristic specifically points to an image lure designed to redirect users to a malicious URL. The embedded URL 'https://fokemale.ru/award?keyword=balwant+rai+mehta+committee+pdf' is the primary indicator of this phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://fokemale.ru/award?keyword=balwant+rai+mehta+committee+pdf PDF link annotation
    • https://cdn.sqhk.co/xejoverol/hfgcjdw/kabexuj.pdfIn PDF document text
    • https://cdn.sqhk.co/nasanoroge/9P9cGkq/waziduwezamas.pdfIn PDF document text
    • https://cdn.sqhk.co/dosakupu/gcEieMi/36263134158.pdfIn PDF document text
    • http://giwitijudaleka.mygamesonline.org/13332985548.pdfIn PDF document text
    • https://cdn.sqhk.co/molivovuki/d7jeP3Q/jamamigumuzijerakadagonu.pdfIn PDF document text
    • https://cdn.sqhk.co/jasurisunav/aNjbblI/airtel_recharge_list_149.pdfIn PDF document text
    • https://cdn.sqhk.co/fusexabuvej/jdtidja/bingo_sheet_music_flute.pdfIn PDF document text
    • https://cdn.sqhk.co/kixarozikej/jhicojb/best_photo_editing_app_for_android_free_download.pdfIn PDF document text
    • http://welitizenowem.mywebcommunity.org/all_formula_of_maths.pdfIn PDF document text
    • https://cdn.sqhk.co/puninuzono/gNijjcQ/venmo_ppp_application.pdfIn PDF document text
    • https://cdn.sqhk.co/jagapifa/ge4SKjh/stack_ball_game_free_download_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/jugomuzuteb/Lrzhfpr/cours_gratuit_management_des_entreprises.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9eb4e3f5-935a-40fc-9c70-022cea521809/how_many_calories_in_a_large_dominos_pepperoni_passion_pizza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/772ec0dd-6376-4ce3-9c6e-faf910acede9/74953917415.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a08e276e-fa5f-4f62-ad59-227a57d0f789/zifevumipalenipamiwijejed.pdfIn PDF document text
    • https://s3.amazonaws.com/pevarijidasalop/hp_elitebook_8560p_disassembly_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4783f6bb-f9cc-4bd0-a15b-53ad6f8d7158/jijizuzadira.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d69522de-4a95-4529-8f88-f3164d16b465/troy_bilt_mower_owners_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/sunday_express_magazine_prize_crossword_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0b78e18-0fe0-4860-83dc-d1c9daefafbf/7671688866.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a85ea18e-0508-492f-b28e-789524b80216/descargar_musica_mp3xd_gratis_online.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f39b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF39B 5360 bytes
SHA-256: dd854895d5318b1fdfb5b2755201359b71ebae51df2cce33f68f4dc70f966fae
font_01_sfnt_off000105be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105BE 10760 bytes
SHA-256: 1f2374733061e900061511dba0a5a76c3b00607ff854bf80af8c50cc95614c9a

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