PDF malware analysis — malicious · af2d0ecb41a23258

MALICIOUS

PDF

515.0 KB Created: 2022-03-05 05:05:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 5e5ed59dc77d8fde2a963500ddfacb19 SHA-1: ccb21bde80e2e55c4075f7b96f079a862ffb3412 SHA-256: af2d0ecb41a23258007569400146ac269becf81fe6a3526ddd1eb3ecf8aa845f

144 Risk Score

Machine Learning

Nyx PDF Classifier suspicious score 0.3645

Heuristics 7

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.
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://podar.co.za/XSRYdR1H?utm_term=financial+reporting+pdf PDF link annotation
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/58898647365.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/47735447711.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/3dde2b143468d947053207b29946f454/94656524568.pdfIn PDF document text
- http://kustari.net/userfiles/file/55160114997.pdfIn PDF document text
- https://gres-k.cat/userfiles/file/37990918681.pdfIn PDF document text
- https://lanjutpt1.com/contents/files/31445320654.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1621b805909120---72953902816.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/162104bfa999e1---24535718991.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/botavulugix.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20220222202534.pdfIn PDF document text
- https://hladiagnostico.com.br/kcfinder/upload/files/fowonirosufun.pdfIn PDF document text
- http://hvezda-pardubice.cz/files/file/56062341077.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/tavosusenunameji.pdfIn PDF document text
- http://miminku2.com/contents/files/dutidawonefumuteg.pdfIn PDF document text
- https://www.profiexpo.ru/js/kcfinder/upload/files/41675870545.pdfIn PDF document text
- https://rosenstein.lu/userfiles/files/61288706118.pdfIn PDF document text
- http://srimmigrationconsultants.com/kcfinder/upload/files/nategatekugomufasavi.pdfIn PDF document text
- http://duz-drustvo.si/uporabnik/file/nerigivujugukup.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/uj3il0aurnsdi2ducsin3ns159/35941539427.pdfIn PDF document text
- http://dzido.pl/userfiles/file/32896427000.pdfIn PDF document text
- http://hbaoge.com/upload/files/43275493964.pdfIn PDF document text
- http://www.historialmarista.org/js/kcfinder/upload/files/64795076023.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/92032871409.pdfIn PDF document text
- https://aynispirit.nl/userfiles/file/vadarofefujumopepirepuzoj.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/25388116017.pdfIn PDF document text
- http://schokoladenbrunnen.de/idata/79010952965.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/76104957124.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/duwowukob.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/poserigonasiwozoguvaxo.pdfIn PDF document text
- http://cadex-forensic.com/app/webroot/kcfinder/upload/files/wugura.pdfIn PDF document text
- http://terwaarde.be/ckfinder/userfiles/files/mifirisirejitifefa.pdfIn PDF document text
- http://mousike.it/img_ins/files/12315428643.pdfIn PDF document text
- http://www.dreamstoreonline.es/ckfinder/userfiles/files/xukujopeziruviwokimaroliz.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/novowiladewit.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1622290682a97b---puwiwidebujimetomapemofo.pdfIn PDF document text
- http://ladyqueen.it/userfiles/files/40107510354.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/bozopeb.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/mexufegonajit.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/bexoduda.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/vurinewaxemawe.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0007820e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7820E	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_01_sfnt_off00079928.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79928	16220 bytes
SHA-256: `207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6`
`font_02_sfnt_off0007af0e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7AF0E	10604 bytes
SHA-256: `1a320b12f1f4609e8f8ade36da9eaa150005dcc0b4d8bd2df2d1c29988885261`
`font_03_sfnt_off0007c722.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C722	19876 bytes
SHA-256: `f9f544d26f6ef32fc98b4fd35fd42797218102cd5486d22055bed2d46ab59037`

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