PDF malware analysis — malicious · 191803e0fdffd086

MALICIOUS

PDF

256.5 KB Created: 2022-03-17 13:51:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: a7b72e72c0ca354a879f2cf641446b92 SHA-1: 467ebed5095191338074071902d769ffdce34ab4 SHA-256: 191803e0fdffd0863d423120415f6a50f423e7ec457864ed357d9c55b8c282f2

146 Risk Score

Machine Learning

Nyx PDF Classifier suspicious score 0.4970

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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK

PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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.
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://mifuj.co.za/XSRYdR1H?utm_term=angry+bird+star+war+2+hack+apk PDF link annotation
- https://parokaonline.hu/upload/files/belotolozopobaxirebiginaw.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/xofuselokokexizujujafipun.pdfIn PDF document text
- http://mebelhotel.ru/images/news/file/bagufidulin.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/52954195716.pdfIn PDF document text
- http://www.sictombbi.fr/ckfinder/userfiles/files/83153115816.pdfIn PDF document text
- http://cmtdental.com/upload/ckimg/files/josuvuzijoraloweri.pdfIn PDF document text
- http://usneseni.eu/foto/image/files/55452948579.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/43382488691.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2022-2-6/20220206230406246708.pdfIn PDF document text
- http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/bedituve.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622b0bf0d7ca0---6856077735.pdfIn PDF document text
- https://eravukappalpalli.com/userfiles/file/63709477074.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/24920918002.pdfIn PDF document text
- https://nls.vn/upload/files/nexajo.pdfIn PDF document text
- http://gmpardis.dga.gr/ILC/img/file/zezavifubi.pdfIn PDF document text
- https://matfplayer.com/calisma2/files/uploads/82298404348.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/40950685193.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/72191680528.pdfIn PDF document text
- http://smartstone.ca/userfiles/files/ropesuv.pdfIn PDF document text
- http://atlasbasincli.com/panel/kcfinder/upload/files/67937481527.pdfIn PDF document text
- https://en.unecol.com/uploads/kcfinder/upload/files/kujepagagowabe.pdfIn PDF document text
- http://balone.net/_upload/file///linaxupo.pdfIn PDF document text
- http://kachelofen-prommegger.at/vebarojejofadovibatunaxo.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/96890458367.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/selazexeb.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1620a9f6e14886---67451544992.pdfIn PDF document text
- https://felicityokolo.com/file/86586311475.pdfIn PDF document text
- http://cdut.kiev.ua/kcfinder/upload/files/35642314385.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/79142509815.pdfIn PDF document text
- https://athenaeumchessclub.com/ckfinder/userfiles/files/tosukub.pdfIn PDF document text
- http://medica-brno.com/files/47066000955.pdfIn PDF document text
- http://nabavke.beoelektrane.rs/files/depuxekok.pdfIn PDF document text
- http://albergocavour.com/userfiles/files/8928834628.pdfIn PDF document text
- http://delfosventures.net/userfiles/files/gevakujobawelotuxubi.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/zutasoxigorurolut.pdfIn PDF document text
- http://honda-vo.com/upload/file/baxapavalividite.pdfIn PDF document text
- http://www.pnl.ac.id/asset/kcfinder/upload/files/83401700980.pdfIn PDF document text
- http://vswet.ru/f/valazizitader.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/fifabukanawitajodo.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/73391136822.pdfIn PDF document text
- http://winagain.co.za/kcfinder/upload/files/winalumigufagarusus.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/wuxezujadalasosovukujow.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1620bf4ff2b2fd---42707946396.pdfIn PDF document text
- http://bwa.olsztyn.pl/bwa3/admin/kcfinder/upload/files/78400513969.pdfIn PDF document text
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/33199969856.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_off00037c1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x37C1F	11028 bytes
SHA-256: `706cc74ff7365630ae2883b5dbed17b2313807e626f3cd70eb78b453f9a60b6d`
`font_01_sfnt_off0003957d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3957D	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off0003ac98.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3AC98	17424 bytes
SHA-256: `9bffa1637bcd9c318d6ff684c4bc1cf3ee25cafe099e109fd4179aef9f930ec1`
`font_03_sfnt_off0003d9d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3D9D3	16220 bytes
SHA-256: `207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6`

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