MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of numerous external URIs, many forming a link farm on potentially compromised or disposable hosting, further indicates a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://huntic.ru/uplcv?utm_term=the+subtle+ruse+the+book+of+arabic+wisdom PDF link annotation
- https://thefertilizerequipment.com/d/files/64056303756.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/80689966586.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133887a5e5be---61129077721.pdfIn PDF document text
- http://studionegro.net/userfiles/files/pofojuwomenesi.pdfIn PDF document text
- http://jayeonrak.com/upfile_editor/2021/files/gepadurubabus.pdfIn PDF document text
- http://oroblupiscine.it/userfiles/files/29163107678.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/8cd483ff562e6c016ef65af60a800bfa/gerataso.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/lonug.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/7sk0q2es1fc8vtf8k0khc4k24u/vakexogibamopob.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/ditifito.pdfIn PDF document text
- https://pcparts.fr/ckfinder/userfiles/files/gonidoro.pdfIn PDF document text
- https://curtain.jinware.com/upload/files/23874611867.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/trhld7va3fng67r979d1t8pdej/81625607451.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/11500645078.pdfIn PDF document text
- http://cobe-ing.it/userfiles/files/20980727608.pdfIn PDF document text
- http://balade-pierry.fr/userfiles/file/76726022787.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/luvimuwusabuketewevovines.pdfIn PDF document text
- http://peak-experience-japan.com/images/blog/file/37192569910.pdfIn PDF document text
- https://birotex.rs/images/files/88543041115.pdfIn PDF document text
- https://cpc-serbia.org/js/files/53662473020.pdfIn PDF document text
- http://ssss-sangam.com/userfiles/file/vufutedawof.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_off0000c387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC387 | 11020 bytes |
SHA-256: d8b9a5620221a692627bb6fca56dbf9942710cd781777f2b9ddc2e17e772e2a0 |
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font_01_sfnt_off0000dd3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3C | 16692 bytes |
SHA-256: 85af4149738896a624776ef1b18cae3ee9169f43918074e4b44afbc427ecf7de |
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font_02_sfnt_off00010829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10829 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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