PDF malware analysis — malicious · 4afd54a47e878399

MALICIOUS

PDF

225.5 KB Created: 2022-02-13 13:08:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: ecdbc268c78a32edd5d6abb7d03ec104 SHA-1: 615113219112fd45f9efe8a2e2958e495b731d5d SHA-256: 4afd54a47e878399ec1caafd289c9aa00ee799330905c3e09faf93e3f47c379c

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6275

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=cushion+foam+sheets+for+packing PDF link annotation
- https://bliznacite.com/files/40421456063.pdfIn PDF document text
- https://inunekocp.jp/mailmagazine/upload/files/60976784638.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/xinafagefejitisusebelesa.pdfIn PDF document text
- http://maksimetall.ru/files/bumoroxosiwusu.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/pakobutu.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161a586a7288a5---jolejuzividuxabek.pdfIn PDF document text
- http://innotack.com/userfiles/file/ponepeworerixafed.pdfIn PDF document text
- http://denki-shonan.com/uploadsfile/jilavopubimara.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/007b6a038e3e508104508847f239a7bf/50894818896.pdfIn PDF document text
- http://gelateriacool.it/userfiles/files/48631518026.pdfIn PDF document text
- https://yellowstonewildlife.com/bodenagupufenoferozividul.pdfIn PDF document text
- http://malifer.hu/upload/file/42831611542.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ded41a2b727bacc3133af1773636daa6/12554190192.pdfIn PDF document text
- http://ildongwire.com/userfiles/file/livojulijukutaxo.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-8-4/20210804133629245108.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/c8805847efc58b549b1ae6d8ba9bc4be/38013364746.pdfIn PDF document text
- http://sinoorchids.com/image/file/49286323405.pdfIn PDF document text
- http://alliance-vietnam.com/upload/files/ziletoxe.pdfIn PDF document text
- https://szallas-karpatalja.net/upload/22997136333.pdfIn PDF document text
- http://trickorsuite.com/clients/5/5d/5d84d12f6f4dfd10bbe5497c884a5f3e/File/tijanarivogalepogunivaxij.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e891cd9bbb2---redibizulopemaraj.pdfIn PDF document text
- https://cooperspick.com/files/fapikimo.pdfIn PDF document text
- https://vandolderskb.com/images/usr/42366971821.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/32470756380.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/162011a7b04d0e---19480378138.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/c530e3de68459fbde2e51f22a8d4a2df/21276335376.pdfIn PDF document text
- http://csp.hu/editor_up/75612347322.pdfIn PDF document text
- http://wellgroup.cz/UserFiles/File/11621643937.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/61655163309.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/xuweb.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/79436683212.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/14450401585.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614547543824c---13870058725.pdfIn PDF document text
- http://sangiaodichlaocai.com/upload/image/file/gejiwebomisekosisema.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/juxobokedodujumamapubi.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161a2fa7dd181c---sitekumojefufobokozeruku.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/80989553525.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/nafafoxawenive.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/5c9cd237a5a500f6da80b7f7268f2fa1/36256444272.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_off00031335.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31335	11104 bytes
SHA-256: `aae95aa90bd8ebf5aee0785b922abf77223b7df2ec31d64166db143533a3a98a`
`font_01_sfnt_off00032d05.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32D05	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off00034420.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34420	19072 bytes
SHA-256: `b736583699b056f79d0d7a8c5ec4b0c9196bbf465186bb3d4ce4979d3e6588cb`

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