Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5db5377660bce79…

MALICIOUS

PDF

282.3 KB Created: 2022-03-17 23:52:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27
MD5: b69427fef335e019a1d5cdde1c4001e3 SHA-1: f20103f78c33fd4ce3e594ca3bc70d41f68991a2 SHA-256: c5db5377660bce79077ae5ab6857bfc709a12ef42ef07cfecf93849c96a51efd
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7171

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=ayayayoo+aananthamey+ringtone+free PDF link annotation
    • http://gdgom.com/upload/file/220211063747227862ib75nabgppmt.pdfIn PDF document text
    • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/d5fcv7nh8re7j2lb3l4mqjb4e7/61046745245.pdfIn PDF document text
    • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1620499cb87a7f---tituxipas.pdfIn PDF document text
    • http://dotykbylinky.sk/_subory/subory/degimigixubusipu.pdfIn PDF document text
    • https://www.voctestbursa.org/editconsole/kcfinder/upload/files/14818767886.pdfIn PDF document text
    • http://rapet.hu/files/83957129569.pdfIn PDF document text
    • https://roundtable106trust.org/admin/uploads/file/49151867278.pdfIn PDF document text
    • https://timavoshipsupply.it/userfiles/file/muvom.pdfIn PDF document text
    • http://tesorosdelayer.net/imgs/images/files/48419716998.pdfIn PDF document text
    • http://ristoranteibucanieri.it/userfiles/files/76191236748.pdfIn PDF document text
    • http://kondicionery-noginsk.ru/upload_picture/file/40785939137.pdfIn PDF document text
    • https://florerialafloresta.com/ckfinder/userfiles/files/kelofazazisesokopedokane.pdfIn PDF document text
    • https://huaku3c.tw/uploads/files/202203021152212041.pdfIn PDF document text
    • https://xn--80aesyq.xn--p1ai/files/file/lavixexafemupijag.pdfIn PDF document text
    • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1621aae6b31ee1---redirado.pdfIn PDF document text
    • http://kydceramics.com/upload/userfiles/files/xamowan.pdfIn PDF document text
    • https://khanikango.in/file/78856158873.pdfIn PDF document text
    • http://brlairport.com/images/file/88396306608.pdfIn PDF document text
    • https://sunrise-photon.com/upfiles/editor/files/6073677963.pdfIn PDF document text
    • http://londonjip.com/userData/board/file/sanelavisimik.pdfIn PDF document text
    • https://hantverksakuten.se/ckfinder/userfiles/files/45890348181.pdfIn PDF document text
    • https://agencement-menuiserie-var.fr/stockages/files/78407376066.pdfIn PDF document text
    • https://bticino-rozetki.su/kcfinder/upload/files/58469404407.pdfIn PDF document text
    • http://studioguagnoni.it/userfiles/files/mijamemolusapedokapupati.pdfIn PDF document text
    • http://manchesternh298.org/kcfinder/upload/files/milowijukiwiva.pdfIn PDF document text
    • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16216a3becfeb0---zariluvetuvobo.pdfIn PDF document text
    • http://youil.org/userData/board/file/33403190477.pdfIn PDF document text
    • http://chieucoingason.vn/files/xofejedesufopowaxowaluje.pdfIn PDF document text
    • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/zunexurelufobilalad.pdfIn PDF document text
    • https://gira-rozetki.su/kcfinder/upload/files/6361060684.pdfIn PDF document text
    • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16221622b8cee6---delubojuveduniw.pdfIn PDF document text
    • http://etecpresidentevenceslau.com.br/kcfinder/upload/files/8258109969.pdfIn PDF document text
    • http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/70663160017.pdfIn PDF document text
    • https://suruburi.net/mm/file/rudozabanu.pdfIn PDF document text
    • http://darelbachra.com/app/webroot/js/kcfinder/upload/files/zikedujafoberuboje.pdfIn PDF document text
    • http://www.federacja.krakow.pl/uchwaly/kcfinder/upload/files/92097975642.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.

FilenameKindSourceSize
font_00_sfnt_off0003fa90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3FA90 18376 bytes
SHA-256: 65b23cec7d71c30c93ce5bed30148855c216c79e2c54a281930ed56c3bf3811b
font_01_sfnt_off00042a8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42A8A 10540 bytes
SHA-256: 2110e15dc168b9820c2a96aadf025e94a9b1caf114af452f12a2ce5a8ef5877a
font_02_sfnt_off0004426a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4426A 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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