PDF malware analysis — malicious · f87c746eb7dd6560

MALICIOUS

PDF

340.5 KB Created: 2022-03-28 16:07:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16

MD5: 38167e43d38675ee68b05df92890fb64 SHA-1: 18f404d734b2abec66d642d6babb4d36f287669e SHA-256: f87c746eb7dd6560aa2d0dbb1a9f679b2187e508324837e4b2547405f375a749

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5293

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
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.
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.
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://tevav.co.za/XSRYdR1H?utm_term=medisoft+17+revenue+management PDF link annotation
- https://bigsao.com/kcfinder/upload/files/vametupuku.pdfIn PDF document text
- https://fullgame.hu/uploads/files/difuniwafewobe.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/41114109695.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/gozunenowikez.pdfIn PDF document text
- http://partynfun.com/kcfinder/upload/files/96414766780.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/9215944059.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/55146186933.pdfIn PDF document text
- https://reytrans.es/kcfinder/upload/files/wurem.pdfIn PDF document text
- http://jfac.kr/ckfinder/userfiles/files/94293585285.pdfIn PDF document text
- http://balbu.eu/uploads/news/file/36082298107.pdfIn PDF document text
- http://www.firstpages.eu/app/webroot/files/userfiles/files/73769186268.pdfIn PDF document text
- http://star-transform-moscow.ru/uimg/files/nibogamawefupewidof.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/26198441290.pdfIn PDF document text
- https://groupekineconcept.com/userfiles/file/satowunazokaxiba.pdfIn PDF document text
- http://szcftz.com/upload/21294787795.pdfIn PDF document text
- http://firmykominkowe.pl/Obrazki/edytor/file/837486323.pdfIn PDF document text
- https://cl-metalparts.com/d/files/20596362855.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/zulamofazi.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/geruvutejikezufabuwux.pdfIn PDF document text
- http://administrace.proceram.cz/files/ruparogitasale.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/pebelene.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/2d4f7115a7281f93f5e80e414397c1e6/vozevubuxotepuwowewigiga.pdfIn PDF document text
- https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/zediv.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20220205030042.pdfIn PDF document text
- https://windsbs.biz/files/file/96566624813.pdfIn PDF document text
- http://congseng.com/uploadfile/files/modovalibiwixum.pdfIn PDF document text
- https://healthtecindia.com/userfiles/file/952683452.pdfIn PDF document text
- http://fitsiluet.cz/data/file/mirugoget.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/tejuno.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/989de6f65cbf32ec6b6cc281b07633cd/poxisefimezapaluwip.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1620f6ad01805d---70250326282.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/nezofagubuxefig.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/54757380146.pdfIn PDF document text
- http://ukrfirework.com/images/file/69499278755.pdfIn PDF document text
- http://firegallery.ru/img/upload/kamokiwurenabulodu.pdfIn PDF document text
- http://srimmigrationconsultants.com/kcfinder/upload/files/76555289084.pdfIn PDF document text
- https://parokaonline.hu/upload/files/labaxufabomilomuse.pdfIn PDF document text
- https://www.xtraordinaire.org/web/kcfinder/upload/files/bosexadubetugi.pdfIn PDF document text
- http://studiobardinisrl.com/userfiles/files/92652097699.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/japaren.pdfIn PDF document text
- http://www.parkwaytransplant.com/media_upload/upload/files/xuwekosik.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/b6d220e9844c0ca62441e5dda203e653/nubodaxarilikido.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
+1 more URL(s)

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0004c29c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C29C	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_01_sfnt_off0004d9b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4D9B6	16336 bytes
SHA-256: `adf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa`
`font_02_sfnt_off0004efb6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4EFB6	21556 bytes
SHA-256: `bb02c1b3d3917893b3a713664b20ca595cdeb6931a32f57f6655e5d6479b9296`
`font_03_sfnt_off00052818.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x52818	10912 bytes
SHA-256: `95b3ec36191273c4f1b2d008dcb16b36030006b373f75517e5dd36155a43a0ed`

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