Malicious PDF — malware analysis report

Static analysis result for SHA-256 02e9727c749b3a45…

MALICIOUS

PDF

84.0 KB Created: 2021-08-06 21:53:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 331d6a0b4dc2de83beab3e2c061c4b4d SHA-1: 2ed1fefd538e5db65e4fef24edb2290a1eba5018 SHA-256: 02e9727c749b3a457b5f182255356f91594684febf742813335d3267c9c73457
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect the user to malicious external content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://nomylo.ru/uplcv?utm_term=bhajana+patalu+video+songs+telugu+movies PDF link annotation
    • https://orangcar.com/app/webroot/upload/files/bevopem.pdfIn PDF document text
    • http://antifftech.com/uploadfile/file///2021050301250589.pdfIn PDF document text
    • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efed707467d---93284688993.pdfIn PDF document text
    • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fff8cc060---vajekepegodabaxuno.pdfIn PDF document text
    • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9acc0eba---43629080547.pdfIn PDF document text
    • http://www.gonouvellezelande.com/files/59437964555.pdfIn PDF document text
    • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/faf1980ef0cabd1de524dd5f80dd8257/javagem.pdfIn PDF document text
    • https://xaydungdonggia.com/app/webroot/files/images/pages/files/63313727794.pdfIn PDF document text
    • http://kaies.cn/upfiles/file/padifotunevogi.pdfIn PDF document text
    • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c8a8e6728---72104294917.pdfIn PDF document text
    • http://naturallabs.de/userfiles/file/zajowisoto.pdfIn PDF document text
    • https://108pizza.pl/uploads/userfiles/files/sanuwezofimevag.pdfIn PDF document text
    • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607552ede4651---69738136840.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3a41cc408---96163062079.pdfIn PDF document text
    • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/c846c6eb88bf556d4963ef8a7cb99b91/zakazivago.pdfIn PDF document text
    • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca525073b7---faligixuxe.pdfIn PDF document text
    • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/58187796399.pdfIn PDF document text
    • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9936b0d15---32969194200.pdfIn PDF document text
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b15fac32947---18050416489.pdfIn PDF document text
    • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/bndk8i99shknuu2gjr9nr7ov34/jukonemamuromivigivutizi.pdfIn PDF document text
    • http://airconbank.com/upload/fckeditor/file/darogolexib.pdfIn PDF document text
    • http://dienlanhlongan.com/upload/files/befimowafake.pdfIn PDF document text
    • http://bagliodeimille.it/userfiles/files/setesatetifodovu.pdfIn PDF document text
    • http://s292376414.onlinehome.fr/datas/imgmail/file/vewukijufebetowolasap.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_off0000e20a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE20A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000fa21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA21 11088 bytes
SHA-256: 611208e79b0abe04da7e01acbe095237f9ab17364fbd30d34eb52a8dc830d0e9
font_02_sfnt_off00011390.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11390 17436 bytes
SHA-256: bf0c0cdf46b9202d7eb56676e4e3d55642554657cf362743b432057d12d10b11

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