PDF malware analysis — malicious · 1911cf2532d31fb0

MALICIOUS

PDF

218.4 KB Created: 2022-02-08 02:05:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: d495523e5935e15c6d4be8304b4e8339 SHA-1: 8b57d76e2d26598c2bc2b8a9389c90ee8d596644 SHA-256: 1911cf2532d31fb062e3eff1c4fd32c1c61b0f7e7043bdcbc942b6d4085221da

144 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.7081

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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://yubit.co.za/XSRYdR1H?utm_term=best+android+phone+under+50000 PDF link annotation
- http://ecofincas.net/ckfinder/userfiles/files/jugipinep.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/99747365544.pdfIn PDF document text
- https://alstar.uz/images/shared/file/27095413927.pdfIn PDF document text
- http://universalestetic.com/userfiles/file/76947646413.pdfIn PDF document text
- http://areopag-group.ru/sites/default/files/uploads/17732854355.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/fexulosejuneri.pdfIn PDF document text
- http://www.riviera.edu.np/ckeditor/kcfinder/upload/files/89733328047.pdfIn PDF document text
- https://floridagreatescape.com/media/file/lasenalarifaw.pdfIn PDF document text
- http://cbcom.fr/ressource/site-image/files/fizugodugetixiba.pdfIn PDF document text
- http://lamardaegu.com/upfile/user/file/68126493378.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/zujutes.pdfIn PDF document text
- http://theaterbuehne-schwandorf.de/userfiles/file/rabazerus.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/kawumid.pdfIn PDF document text
- http://ottotech.center/userfiles/file/tizesufumijapulon.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/58511624288.pdfIn PDF document text
- http://hrjok.com/uploadfile/file/93761064238.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/vuzaxuneku.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/tunuxafomuraleroriketikex.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/fiwivusirisezuwe.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/e12239711a2aa275007a5a322ec1f28b/gifavoxetunezera.pdfIn PDF document text
- https://jechrina.gr/FCKeditor/userimages/file/4893073759.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/12280752258.pdfIn PDF document text
- https://marosme.ro/hirek/file/2585765454.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/fojelijezetusilezal.pdfIn PDF document text
- https://evermoral.hk/upload/file/1633686549.pdfIn PDF document text
- http://hondatayho.top/img-ngocbao/files/91338626937.pdfIn PDF document text
- http://friend5190.xyz/js/ckfinder/userfiles/files/niwimutoti.pdfIn PDF document text
- http://kccmaul.com/files/files/genumugetedorox.pdfIn PDF document text
- http://forensique.com/app/webroot/kcfinder/upload/files/sipegemivagosegek.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16201a66537785---7714995820.pdfIn PDF document text
- https://kildevangen.dk/files/57596670006.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0002fb19.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FB19	17804 bytes
SHA-256: `d07ab7f3939b60bd099afbee103607c0a52430332b66405e171873d016e3fcce`
`font_01_sfnt_off00032a11.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32A11	10852 bytes
SHA-256: `c9df343f6463df774eb16d47254c79185727d5226c0b47103ec413cf6d418667`
`font_02_sfnt_off00034319.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34319	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`

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