MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The sample also exhibits characteristics of a link farm, pointing to multiple compromised or disposable hosting sites. These factors, combined with ClamAV detection and ML classification, strongly indicate a malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://digilit.ir/basefile/digilitir/files/9507942872.pdf In PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139973e5745c---jagefuwufev.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/60505515427.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614420288696b---92004505552.pdfIn PDF document text
- https://muacash.com/webroot/img/files/netarexosanewox.pdfIn PDF document text
- http://carshopm.com/js/upload/files/govivududamakavawa.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/25989345656.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/filakin.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/viduzibuzafefadisaf.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/lutuxisamekuxixituwugu.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/rikozoxitimagukuzez.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/ragelafedoxad.pdfIn PDF document text
- https://globalybm.com/ckfinder/userfiles/files/1630531472.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/neburilimipagared.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/30300b19d39c2af486d8fa413e278fd9/43106663798.pdfIn PDF document text
- http://xn--j1aii.su/userfiles/file/loregasobiberuwak.pdfIn PDF document text
- http://rayer.cn/d/files/muvapumobemulop.pdfIn PDF document text
- https://resicolor.com/upload/files/rubamenegotumepe.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/vovivusu.pdfIn PDF document text
- http://highgaincomposites.com/img/file/202192222859.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/41432120964.pdfIn PDF document text
- https://xnkvinatimex.com/uploads/files/47065545659.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=animal+farm+chapter+10+pdfPDF link annotation
- 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_off0000c753.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC753 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6A | 10752 bytes |
SHA-256: bfad5ae2c03cb632c2b83f20a1f04faefa4ce531cac510793cc0e4786b651528 |
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font_02_sfnt_off0000f7f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F6 | 17336 bytes |
SHA-256: 79a10f8d1dfe527ba6c27e8afc4b790235c20adde32f953c7e7ba878464c9a4d |
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