PDF malware analysis — malicious · 941fb906ca614170

MALICIOUS

PDF

339.4 KB Created: 2022-03-29 12:58:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12

MD5: c7193c71e5363a30577091a447f7bbcc SHA-1: 5616aa0d7087c9937e30d1eea6bee8fd91ac4e8f SHA-256: 941fb906ca61417021056a1ead7b032b42371bb31d26c0c294f673fe88f08434

136 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6933

Heuristics 5

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.
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://cafij.co.za/XSRYdR1H?utm_term=tentative+auction+schedule+of+us+tre PDF link annotation
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/45376450769.pdfIn PDF document text
- https://doradca-bankowy.pl/files/files/lipemoxowutogidaba.pdfIn PDF document text
- http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/84891236577.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/kogudutemik.pdfIn PDF document text
- https://webmanagement.laptopservice.ro/images/file/21160661885.pdfIn PDF document text
- https://songhong-thudo.com/img/files/3147172773.pdfIn PDF document text
- http://vp-concept.ch/app/webroot/kcfinder/upload/files/25198306316.pdfIn PDF document text
- http://man-shoes.moscowfashion.net/content/xuploadimages/file/46508489897.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/vrpk9t7nvhc78us16o2tmli5e5/78350440446.pdfIn PDF document text
- http://goodlack.cz/userfiles/file/70043539882.pdfIn PDF document text
- https://bwgroup.mn/admin/ckeditor/kcfinder/SUupload/files/3028893712.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/52063555565.pdfIn PDF document text
- https://bclowermainland.gocascadia.com/images/cms/file/novekupa.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/suxiku.pdfIn PDF document text
- https://christschoolblr.in/userfiles/file/fanalezugefofeg.pdfIn PDF document text
- http://ontis.sk/editor_uploads/system/files/radipu.pdfIn PDF document text
- https://energyexcess.com/userfiles/file/76272853516.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/nekiligojuge.pdfIn PDF document text
- http://turismeruralsolsones.com/admin/kcfinder/upload/files/sikajemi.pdfIn PDF document text
- http://clainvest.pl/userfiles/file/xerisizif.pdfIn PDF document text
- http://thecpg.org/kcfinder/upload/files/50471139341.pdfIn PDF document text
- http://homelife-superstars.com/image/files/sunuzutadaloroworudiz.pdfIn PDF document text
- http://savages.lu/imagesRTE/files/kizeruborazizew.pdfIn PDF document text
- http://xn----7sba5bgeydgh6hd.xn--p1ai/upload/files/97508075896.pdfIn PDF document text
- http://iuppitergroup.it/kcfinder/upload/files/34034394220.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_off0004de24.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4DE24	18836 bytes
SHA-256: `ab434e2b9be294dc837b1d6c4aef3eb8e847951e5605d87996a8b630765e9670`
`font_01_sfnt_off00050e9c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x50E9C	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off000525bc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x525BC	10704 bytes
SHA-256: `812e4ff9d2544b30e8f869d7b4bef6b0956512c699f77de8408c0bb94b6ed268`

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