PDF malware analysis — malicious · aa883cded3423fe7

MALICIOUS

PDF

74.9 KB Created: 2022-06-05 23:05:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07

MD5: 40f224fc563bf99c1d62f89d84af5b56 SHA-1: 0c8c62bad67efedc68cb32a0d256c6f041dd0f11 SHA-256: aa883cded3423fe793c01be1b84786d39f598e9411bd0f8bfc6770cb0608e894

142 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9985

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
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/YmrXLWy8?keyword=across%20the%20bridge%20novel%20pdf%20%20pdf%20reader%20download PDF link annotation
- http://jian-yuan.com.tw/kcfinder/upload/files/42861209389.pdfIn PDF document text
- https://durunefa.weebly.com/uploads/1/3/4/7/134712847/6afd0eacde99ac.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/dibop.pdfIn PDF document text
- https://rimibike.weebly.com/uploads/1/3/4/6/134636102/wenilitunosuze-rirulisas-mepezujixanimi.pdfIn PDF document text
- http://eltprof.ru/userfiles/file/lafuw.pdfIn PDF document text
- http://teamtrinity.net/trinitya/file/99412027048.pdfIn PDF document text
- https://lefusovu.weebly.com/uploads/1/3/4/0/134040443/pixop.pdfIn PDF document text
- http://davobio.com/upload/files/78390441865.pdfIn PDF document text
- http://supratrend.hu/images/fck/files/fukonawiwujuvo.pdfIn PDF document text
- https://sijupazijeter.weebly.com/uploads/1/3/4/6/134639914/98208d8f.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/matajoga.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/kujiwopunuwizonokinepusol.pdfIn PDF document text
- http://www.perchegouet.com/ckfinder/userfiles/files/bulutexokabimavakoba.pdfIn PDF document text
- https://bwhe.in/ckfinder/userfiles/files/vosugekofik.pdfIn PDF document text
- https://rioclaro.com.co/kcfinder/upload/files/fowodenowugigon.pdfIn PDF document text
- http://okun.su/upload/file/20958077947.pdfIn PDF document text
- https://nejonuresuf.weebly.com/uploads/1/3/4/8/134897458/5981979.pdfIn PDF document text
- https://www.jornaloflorense.com.br/admin/ckeditor/kcfinder/upload/files/suxojaxipebaxirowixunem.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1624afbf0a301f---47165747974.pdfIn PDF document text
- https://nijodumedogale.weebly.com/uploads/1/3/6/0/136082157/f1c6130.pdfIn PDF document text
- https://zikawudewodag.weebly.com/uploads/1/3/4/5/134585044/dapazawofova.pdfIn PDF document text
- https://aonetreks.com/uploads/file/tilitarofa.pdfIn PDF document text
- https://guninizonokezo.weebly.com/uploads/1/4/1/3/141394101/diwufodeve-lobusopidexojez-mabexulotef.pdfIn PDF document text
- https://chaletvenay.skidnapping.com/uploadfiles/files/numakuxa.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_off0000b7c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB7C1	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000cfd3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCFD3	18744 bytes
SHA-256: `2a72c7241237558a2799e2d80a9575baf40081116d1bebe5b72dc4efe6d1b779`
`font_02_sfnt_off000100dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100DC	11172 bytes
SHA-256: `364720c4cd59691d80352e40e8ae028da67a8387a7eee24311acf5f0906301be`

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