PDF malware analysis — malicious · 5d8bd8a4ab7a2de4

MALICIOUS

PDF

199.4 KB Created: 2022-03-26 06:59:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: d2a013337aee137681af6692b756f09b SHA-1: 8ac2a1c484273d3b62fb11b0d22389b58b9d0daf SHA-256: 5d8bd8a4ab7a2de4bb9f7d3a627241985d8e19e36fe0eb23188c4b2648b8e85f

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6021

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://podar.co.za/XSRYdR1H?utm_term=gta+sa+t%C3%BCrk%C3%A7e+yama+100 PDF link annotation
- https://optimuselearningschool.com/learning/site/images/uploadfiles/modewejadobazusudifinamu.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/kurazimosuropenivomudor.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/14654770573.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/fapupe.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/04ofo9m7lgbmhl49a1ujjvc929/dusukupube.pdfIn PDF document text
- http://akgdsgfly.pretty-match.com/upload/files/jozuvawudij.pdfIn PDF document text
- http://bizzarro.be/admin/kcfinder/upload/files/febiduwubu.pdfIn PDF document text
- http://tesorosdelayer.es/imgs/images/files/9707065701.pdfIn PDF document text
- http://templeton.sk/userfiles/file/ramimilusifaji.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/18936970327.pdfIn PDF document text
- http://www.bestofasco.cz/upload/files/73956420800.pdfIn PDF document text
- https://wunderlandovi.hu/kcfinder/upload/files/nujamuzozarafekixo.pdfIn PDF document text
- http://elt-tm.uz/kcfinder/upload/files/diguxawugugi.pdfIn PDF document text
- http://thailand.metten.dk/ckfinder/userfiles/files/1550585181.pdfIn PDF document text
- http://ahtirka.topmebli.com/content/xuploadimages/file/vugodewug.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/25943728516.pdfIn PDF document text
- https://smartcirclegroup.com/userfiles/file/kibopodivezik.pdfIn PDF document text
- https://gyogytorna-vac.hu/admin/kcfinder/upload/files/tenovinoxelar.pdfIn PDF document text
- http://aihyang.com/userfiles/file/87874524796.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/25806628048.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622b1f5a1e2bc---29552873974.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///22572303935.pdfIn PDF document text
- http://cttinteriery.cz/files/upload/files/2738979081.pdfIn PDF document text
- http://fbrasil.com/userfiles/file///sajakobifebopavigeta.pdfIn PDF document text
- http://www.bennex.co.th/assets/kcfinder/upload/files/51573199722.pdfIn PDF document text
- http://iproperty.ae/userfiles/file/74521935714.pdfIn PDF document text
- https://apagar.cinemadossertoes.com/ckfinder/files/10254813385.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16222d0c422b4a---28496752044.pdfIn PDF document text
- http://satcomlink.com/userData/board/file/30072417185.pdfIn PDF document text
- http://agencies.opertur.com/uploaded/kcfinder/files/julefobimob.pdfIn PDF document text
- http://zjbfjt.com/upload/files/sunetigojojuvaluruzi.pdfIn PDF document text
- http://optometrystaprzemysl.pl/userfiles/file/rexivumelupisigigepok.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/kabonenuxepadawelosep.pdfIn PDF document text
- http://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/63329683376.pdfIn PDF document text
- http://bamila.vn/luutru/files/63589331388.pdfIn PDF document text
- https://hirurgija.me/files/rekeguwaxikajasimalubem.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/98105003202.pdfIn PDF document text
- http://helpnri.org/kcfinder/upload/files/52374770152.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/duduwipuveg.pdfIn PDF document text
- https://goldengatetaichiqigong.com/userfiles/file/kazuvosobo.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/podezu.pdfIn PDF document text
- https://shevian.com/images/file/gobarifakozaxaxapeguvefun.pdfIn PDF document text
- https://mayersoffice.com/userfiles/file/66455830146.pdfIn PDF document text
- https://www.nysc.lk/dmin/include/ckeditor/kcfinder/upload/files/3885500319.pdfIn PDF document text
- http://pscemetery.com/userfiles/file/misizex.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
+4 more URL(s)

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00029a59.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x29A59	18356 bytes
SHA-256: `7c99e74b34620ae0d97f7732d625a68267c69c7fd21b03f13c28523aacda0596`
`font_01_sfnt_off0002c80e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C80E	16100 bytes
SHA-256: `6b54a3f50d1a413a5c8c0ed289a9c866e37e8bd73df0b162fe7132700ce54c18`
`font_02_sfnt_off0002dd52.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DD52	10716 bytes
SHA-256: `910fa385b1e5ca3c6032d125231722fdcb9e795cd64e3e855c03333ba8229324`
`font_03_sfnt_off0002f616.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F616	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`

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