Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f0089488e8b6acb…

MALICIOUS

PDF

84.3 KB Created: 2021-07-09 02:03:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 0c0ae00f5008876bd9198d17cf65fd93 SHA-1: e6d8c45b91dbe201041030e52d7b2bb91f68adc7 SHA-256: 9f0089488e8b6acbd0a1445ead1bd5d9ff0ad1b4b3e302f513b7483fe29c3abe
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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
  • 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://crysiq.ru/uplcv?utm_term=music+in+early+childhood+development+and+the+foundation+phase+pdf PDF link annotation
    • http://carszana.com/image/upload/File/potenigozefiwano.pdfIn PDF document text
    • http://immobilieninvestors.eu/userfiles/file/64613945355.pdfIn PDF document text
    • http://iccarrentals.com/files/file/fepexobinujapofika.pdfIn PDF document text
    • https://paperland.bg/uploads/file/11405509009.pdfIn PDF document text
    • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/859a42f96100731b478c09fbadf0ff54/12525530725.pdfIn PDF document text
    • http://asude.istanbul/ck_images/files/ravutipevoxomulowewo.pdfIn PDF document text
    • http://dansecyr.ca/pdf/file/55056901293.pdfIn PDF document text
    • http://hz-karavany.cz/ckfinder/userfiles/files/97872415912.pdfIn PDF document text
    • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/tj357osmno1s4kn2vlbj7o64r7/21460808027.pdfIn PDF document text
    • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/i5nvuf1os3up73dfsqg2lifvkd/nuvogevomote.pdfIn PDF document text
    • http://tgtech-auto.com/userfiles/file/bexoxarixojakelesezepi.pdfIn PDF document text
    • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/an2lpqqhs52aggs1t3l46n41m1/sabulivebupedoresakutij.pdfIn PDF document text
    • https://bandotrading.it/uploads/file/17559060390.pdfIn PDF document text
    • https://parfumzone.ro/files/file/47111618910.pdfIn PDF document text
    • https://iqmuseum.mn/uploads/files/wajegopidimuniriwemipur.pdfIn PDF document text
    • http://sacoorhealth.pt/site/upload/file/85701936105.pdfIn PDF document text
    • http://bensonlandscape.com/editorData/file/sijat.pdfIn PDF document text
    • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/edbb0e29e2f1e82a28aa08db85d3a1e4/tuwefivomobusosiraz.pdfIn PDF document text
    • https://hinodanang.com/uploads/image/files/80098206855.pdfIn PDF document text
    • http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/3276008308.pdfIn PDF document text
    • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae00ef6b5d5---24341089986.pdfIn PDF document text
    • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aafd3fa4010---wemarumerakoba.pdfIn PDF document text
    • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608eaab8c0d53---wofexubobidunizezon.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e589.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE589 17020 bytes
SHA-256: 3e55f2a5d45016964207b5f29903638476ed1dbd6a362aad46a853e54a0555a2
font_01_sfnt_off000111a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111A8 11156 bytes
SHA-256: f3a101e527c8da7ef1dbd155defd8e2e0185592002cd605872c39d3311daaee7
font_02_sfnt_off00012b96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B96 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

Open this report in the interactive analyzer, or submit your own file for analysis.