MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is a phishing or malware distribution vehicle.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://allytemp.ru/uplcv?utm_term=android+mobile+display+problem
- https://termokingbt.com/ckfinder/userfiles/files/95431262074.pdf
- http://industrialsupplies.pk/userfiles/files/vogozinab.pdf
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/musisofitasa.pdf
- http://kingkady.com/uploadfile/files/87746910627.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/0dbd86cfe0b3e3b12f156d3f69bd8625/60020365601.pdf
- http://rainhouse.kr/data/editor/file/3576471286130f5bb42f13.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4bbf47c26---74091761559.pdf
- http://szhlfz.net/upload/49901600630.pdf
- http://3mfa.com/images/editor/files/zifusitenizeriwadurubejos.pdf
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/xegozekegojipida.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161430a2b15815---66668042443.pdf
- http://crabandclaw.com/uploads/files/78158363407.pdf
- https://minipowerpack.net/upload/files/95528216502.pdf
- http://thegioimaychaybo.com/app/webroot/uploads/files/rawokuzosifepedita.pdf
- https://cet.sk/res/file/4539886000.pdf
- http://xhiehchin.com/Xhieh_News/_file/36122088356.pdf
- http://elskup.pl/images/assets/file/bizajukiwi.pdf
- http://reklama-v-sochi.com/ckfinder/userfiles/files/83166499031.pdf
- https://cihangirhotel.com/upload/ckfinder/files/95141246882.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/furanadezaritizeduxojab.pdf
- https://www.cylinder96.ru/admin/ckfinder/userfiles/files/14547322203.pdf
- https://datenglagi.com/contents/files/sudep.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6f3eafe2d---23253299542.pdf
- http://vinaaquachem.com/uploads/files/xebobaxogu.pdf
- https://iqrainternationalschool.org/_assets/files/62990817501.pdf
- https://cowik.pl/upload/beravesoke.pdf
- http://zamdq.com/filespath/files/20210903213211.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f61a.bin95a153217ccab2c617dff08ab527b566c366b1c77204ca4b3f3689bdcaff5972 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF61A | 10692 bytes |
font_01_sfnt_off00010e52.binbbb82c911420cc52f9ccc78509fd526f6d7d6d381121dfa92e75f6ec148c3788 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E52 | 18072 bytes |
font_02_sfnt_off00013d2c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D2C | 16792 bytes |
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