PDF malware analysis — malicious · aa8f1ed54cdf42e1

MALICIOUS

PDF

235.7 KB Created: 2022-02-10 19:02:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: c7804cdf268b929214845558c1dffb12 SHA-1: 27fe48560bc3e20a5e64050a0545b7980e0932d0 SHA-256: aa8f1ed54cdf42e1eafc0f2a426374abd5dce1f785791a51dad77c6a85ddbd60

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://lazav.co.za/XSRYdR1H?utm_term=google+sheets+find+substring PDF link annotation
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/2efccaaa6c7dced60ca64559efc9ad94/limarupirikobaf.pdfIn PDF document text
- https://davnosti.ru/upload/jesovebagojupu.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/56709526264.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/fiwunivu.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/xajizupekusomonevefemi.pdfIn PDF document text
- https://spcinternational.in/ckfinder/userfiles/files/13287897357.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161eb1497a15c8---52308560731.pdfIn PDF document text
- http://gazetavk.ru/img/file/xovirudekufikol.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/62715073289.pdfIn PDF document text
- https://raljob.com/userfiles/file/13178780953.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/51696456559.pdfIn PDF document text
- https://falconshipping-uae.com/userfiles/files/28671722680.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/nujawukem.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/zowodatipuber.pdfIn PDF document text
- https://chirurgieplastica.hyron.ro/mm/file/23701835102.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202111240254227980.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/161151b6a75417---58612726213.pdfIn PDF document text
- http://lousart.com.br/ckeditor/kcfinder/upload/files/badiso.pdfIn PDF document text
- https://associacao.animalife.pt/site/upload/file/21738630345.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/zurimudevezox.pdfIn PDF document text
- http://gld-lining.com/user_img/files/mamatawasagafonovokewu.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/sijovem.pdfIn PDF document text
- https://orangerun.re/photo/files/2729132756.pdfIn PDF document text
- http://margheritango.it/userfiles/file/megelunosepogawuvu.pdfIn PDF document text
- http://irollee.com/userfiles/file/30497653306.pdfIn PDF document text
- http://nagymester.com/admin/kcfinder/upload/files/21126322641.pdfIn PDF document text
- https://comillaspostgrado.es/userfiles/file/zoxutokejilubirox.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/76848309132.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-10-3/20211003025506810674.pdfIn PDF document text
- http://zeroschem.com/upload/fck/file/26745753849.pdfIn PDF document text
- http://popeyebio.com/upload/files/bagabelawenelodixov.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/xamufalaripalapulerasuko.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202110300746024575.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1616f4cb84a836---ludosiniwimesi.pdfIn PDF document text
- https://femagnet.com/upload/edu/article/file/22144348648.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/fetubopabifavokujejid.pdfIn PDF document text
- https://franchiseharbor.com/files/files/42449121919.pdfIn PDF document text
- https://rosettes.it/userfiles/file/57838343546.pdfIn PDF document text
- https://berbagiangka.com/contents//files/35370735134.pdfIn PDF document text
- http://farashimirooz.com/files/kanijekolokatutijiw.pdfIn PDF document text
- http://erbaytag.com/resimler/files/zewawuromefeb.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/wewajenasomisos.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/18470058369.pdfIn PDF document text
- http://cadex-forensique.com/app/webroot/kcfinder/upload/files/27672202019.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e922ec4631b---38309704981.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_off00032728.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32728	18764 bytes
SHA-256: `e6716863e5871f1da776685f65d4212dcb5b25cfe652e04484756bab6e27a214`
`font_01_sfnt_off00035869.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x35869	10748 bytes
SHA-256: `4befe3bcadcb0bdf425d34e14630d07cf928d50c1e65c49b8b5faaa9eaec51d9`
`font_02_sfnt_off000370dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x370DC	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_03_sfnt_off000387fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x387FC	16336 bytes
SHA-256: `adf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa`

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