PDF malware analysis — malicious · 5d8a18be0d8ca28f

MALICIOUS

PDF

212.3 KB Created: 2022-02-02 15:04:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: 1066a7d7fce92c453c757aa7b2c2eb95 SHA-1: 4ffb22b060bc67d378efefe418c331084898e2d5 SHA-256: 5d8a18be0d8ca28f71fe93b466748a228a204fd779156fa0e9102179801daede

144 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.7369

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://sunuf.co.za/XSRYdR1H?utm_term=limbo+pc+emulator+for+android+x64 PDF link annotation
- http://studiofranzoni.eu/userfiles/files/desopug.pdfIn PDF document text
- https://bandotrading.it/uploads/file/22730184068.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/megabamuwikiw.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/sntudba29v2ha6ccq9vso4shh6/89464684905.pdfIn PDF document text
- http://k-ookuma.com/js/upload/files/70450135216.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/82161772639.pdfIn PDF document text
- http://www.rbn.org.np/public/admin/plugin/kcfinder/upload/files/voxam.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/51366294498.pdfIn PDF document text
- http://qzgj.cn/upload/file/57581303260.pdfIn PDF document text
- http://oris-am.com/editor_up/5281884186.pdfIn PDF document text
- http://anindecor.pl/files/file/95005258384.pdfIn PDF document text
- http://thanhnienxp.com/vietkiendo/upload/file/38234557541.pdfIn PDF document text
- https://investkwik.com/userfiles/file/milomufizigewo.pdfIn PDF document text
- https://lotteppta.net/beta/assets/file/febaxumojokero.pdfIn PDF document text
- http://studiogeologicotrilobite.com/userfiles/files/60463203372.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/lanuzelutaf.pdfIn PDF document text
- https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/kenosowenem.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/37085063807.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16117512b00c8c---2952535834.pdfIn PDF document text
- http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/34712213429.pdfIn PDF document text
- http://foxhill101.com/userimages/50123754556.pdfIn PDF document text
- https://antalis.emailingmanager.com/uploads/editor/file/39026088652.pdfIn PDF document text
- http://sahamit.net/userfiles/file/35243251764.pdfIn PDF document text
- http://pferdplus.at/sites/pferdplus.at/files/file/tefoxemawezapizaf.pdfIn PDF document text
- http://slesnick.net/userfiles/files/tagavu.pdfIn PDF document text
- https://aeap.com.br/ckfinder/userfiles/files/61653506252.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/xokigimujuvuba.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/sixegugoritipuniw.pdfIn PDF document text
- https://casaalu.com/luutru/files/disigirelubemixepeso.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210908233016.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/pefoganamofivulipefav.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_off0002e3de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E3DE	17120 bytes
SHA-256: `614ed3f07fc295ae3024f02ab87a35131c0c185867f261c9af73a9a7140f1edc`
`font_01_sfnt_off000310b3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x310B3	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off000327d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x327D3	11156 bytes
SHA-256: `95c8bf88df06e7a0401edb5cfb293735acc962825fed2bb1d85b59ccb98a92a2`

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