MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to potentially compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and link farm characteristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://popnmusic.fr/userfiles/file/31855441633.pdf In PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/77404410664.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/47257588809.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/pesavemirudotupapazolu.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/e3b2e0d016f0c909936295a739e8a4e7/49998158200.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/senawino.pdfIn PDF document text
- http://www.tempshift.com/app/webroot/files/uploadimagesfile/xatovadimubifedi.pdfIn PDF document text
- https://halead.com/uploadfile/1630594882.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/9c8f872e8c7b14aa0b370aedba388386/lugerutorijixelawikor.pdfIn PDF document text
- http://ntweac.edu.hk/admin/ckfinder/userfiles/files/70867044104.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139787cdf81f---60550040127.pdfIn PDF document text
- https://clove7.com/userfiles/file/3327743442.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/4odf9p0p430fml9j13lq5oe47h/gedagutumivumonulitoru.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/f61b36e50af85a896774190a3f64fdb2/lebokofakopitojuxizu.pdfIn PDF document text
- http://ministerium.pt/files/nabafa.pdfIn PDF document text
- http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tetelolejupawo.pdfIn PDF document text
- https://12shio4.com/contents/files/80383190712.pdfIn PDF document text
- https://windsbs.biz/files/file/derateta.pdfIn PDF document text
- https://adci.vn/data/upload/file/fevug.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/27832644757.pdfIn PDF document text
- http://swissies.lt/ckfinder/userfiles/files/87386042589.pdfIn PDF document text
- http://poultech.net/d/files/77916787051.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/4064025875.pdfIn PDF document text
- https://alpinismbihor.ro/app/webroot/files/userfiles/files/malir.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/xasanikexuxaripivukugumom.pdfIn PDF document text
- http://singlesync.com/userfiles/file/kejefota.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=facetime+app+for+androidsPDF 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_off0000edc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC9 | 10712 bytes |
SHA-256: a48694f8a88609cd0ecf406ba4af01bcc3ec2ce615c0589a2f8bee31d4d2529d |
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font_01_sfnt_off00010659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10659 | 17168 bytes |
SHA-256: 49112e742038460238aadac4467bd294cbd28c36b5b93beb685ba3119bed1119 |
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font_02_sfnt_off000132d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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