Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e64c1e983bcf479…

MALICIOUS

PDF

88.5 KB Created: 2021-09-04 23:43:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 127f370bb0c6e5b6faeaaa32d5465553 SHA-1: a217b1978cb5b70a02949630e5523756182dd213 SHA-256: 3e64c1e983bcf4792f41390f1fcabd4527aea4710c7206d6faace8e188aed766
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The presence of these links suggests the document's primary purpose is to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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 http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/23123248440.pdf In PDF document text
    • https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/77228882150.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082679beecbf---86683535431.pdfIn PDF document text
    • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/516760d492f75b8bd91d8900836cbc92/xetogaboxamax.pdfIn PDF document text
    • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/0c7e246ebf80f2d4c6943b356123e9cc/sunurol.pdfIn PDF document text
    • http://maquinandoysubastando.com/dleyes/admin/fotos/file/55128112987.pdfIn PDF document text
    • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607402abcc9a7---fataja.pdfIn PDF document text
    • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bdba1b3c0---bovazatumebowaso.pdfIn PDF document text
    • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/54dfcf8df6871c9344b5bb032e4d8217/mujuvoniluwuzigakuze.pdfIn PDF document text
    • http://thecuriosityshot.com/terixinomir.pdfIn PDF document text
    • http://dailitara.lt/bites/uploads/file/mijobobuwugakideze.pdfIn PDF document text
    • http://eotp.info/sites/default/files/fck/file/gogopixolivoro.pdfIn PDF document text
    • http://dtyxbpzx.com/filespath/files/20210905021148.pdfIn PDF document text
    • http://vietkinggroup.com/uploads/userfiles/file/sofizu.pdfIn PDF document text
    • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608a336e130d6---wonarokanubeluba.pdfIn PDF document text
    • http://abpaluso.com/upload/file/20275490303.pdfIn PDF document text
    • https://anthonygillant.com/userfiles/file/suredivesobanejubajobu.pdfIn PDF document text
    • https://www.chablis-gautherin.com/ckfinder/userfiles/files/67968012645.pdfIn PDF document text
    • http://www.abcklima.hu//data/editorfile/11799990850.pdfIn PDF document text
    • https://photojet.bg/userfiles/file/wiwegoruzerekeju.pdfIn PDF document text
    • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/2ce7bb3d64ce7432fdfb65ccf92d8429/12414605560.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e7d80b914ab---nibupunul.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=imagenes+de+manualidades+de+halloween+para+ni%C3%B1osPDF link annotation
    • 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_off0000efef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFEF 11084 bytes
SHA-256: 0a36b9fa0914553d96bf53495fb45df1b4d7904d5de5e3e3d726832d4999d567
font_01_sfnt_off00010916.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10916 19120 bytes
SHA-256: 9ec46ede9fd7afd737c4d5417478a5ec1a2859d37eb28186d1482de5b7ee84a0
font_02_sfnt_off000139a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x139A0 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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