Malicious PDF — malware analysis report

Static analysis result for SHA-256 97fabc326c1ee87c…

MALICIOUS

PDF

62.2 KB Created: 2021-05-05 01:16:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 10d06ee5c7f6bf286654270255390150 SHA-1: 66b840df94a7b18bd90323efe54aa0535b2a79a1 SHA-256: 97fabc326c1ee87ce7a909b35b773b6ae84186e2df120b46d9a619f9c441b1bc
124 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 by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document body, though partially corrupted, contains a mathematical riddle, a common lure for phishing or malware delivery. The embedded URLs, such as 'https://soxebez.ru/strik', are hosted on disposable domains and are likely used to redirect the user to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9494

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://soxebez.ru/strik?utm_term=a+number+decreased+by+8+is+equal+to+6+find+the+number PDF link annotation
    • http://xelamoxadavas.mywebcommunity.org/39402913978.pdfIn PDF document text
    • http://xemokajoled.medianewsonline.com/the_economist_magazine_download.pdfIn PDF document text
    • https://cdn.sqhk.co/lajazufuzu/e3rsjf8/43986846188.pdfIn PDF document text
    • https://cdn.sqhk.co/wenewojufaj/cqiaMhg/35778651668.pdfIn PDF document text
    • https://cdn.sqhk.co/retuwami/bijigii/gikumowokepuwejiba.pdfIn PDF document text
    • https://cdn.sqhk.co/wekaradukuve/Hwgd8ig/21143818914.pdfIn PDF document text
    • https://cdn.sqhk.co/navozaxezini/aPYihjd/jiwilipifovudafux.pdfIn PDF document text
    • https://cdn.sqhk.co/laruxibut/h0JxeLo/marerebofaxolifusi.pdfIn PDF document text
    • http://vumonivaxozutod.mypressonline.com/dudumepanowojowamepo.pdfIn PDF document text
    • http://wotukujis.sportsontheweb.net/ukulele_fretboard_notes.pdfIn PDF document text
    • http://lubevos.scienceontheweb.net/bhagavad_gita_song_of_god.pdfIn PDF document text
    • https://cdn.sqhk.co/dukosisevu/jvNhcic/gazaterutirapap.pdfIn PDF document text
    • https://cdn.sqhk.co/vexorikodo/fpAipjh/gepapifurupo.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/cf9d88c2-244e-438d-9616-1d9948de9289/sosinawimuwojixikafejole.pdfIn PDF document text
    • http://manosotidokef.myartsonline.com/autodwg_to_dwg_converter_full.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/965680ab-d3b7-4d23-905f-806975f826c2/what_is_the_little_mermaids_name.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/832e3491-bc69-4b0f-8374-1e0477172742/gre_high_frequency_words_2020.pdfIn PDF document text
    • http://wobadumiravolu.atwebpages.com/jbl_flip_5_stereo_setup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70881e44-b18e-48c3-9fa9-7d57b0900777/2007_mazda_cx-7_acceleration_problems.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5cffc988-34fb-430e-a3d3-60a09858bfd0/cant_open_door_on_beko_washing_machine.pdfIn PDF document text
    • http://sizemogigu.myartsonline.com/algebra_2_common_core_state_standards_textbook.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d35a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD35A 5968 bytes
SHA-256: 0d61873eeb3c6dd8921990fcbfe4ad3ab29dc86255545be0ccbf48ad617eebe9

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