MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicates a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://plechotice.sk/tmp/file/fefazakepowapodulilefofig.pdf In PDF document text
- http://studiotecnicodambra.eu/userfiles/files/sijikolon.pdfIn PDF document text
- https://parkettworld.com/upload/files/tobuwi.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/74048361525.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bba247ed0---sibutumepa.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/87901460388.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ljg68f3shg91gnemhglmqj7r77/fanalomiw.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/986nill0lav2g9ltlead3u93c2/romagifitifabawulivujix.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/410647735609c4d30bf861.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8ea1e216850185ab7a49a9c5ed6ae210/80401083098.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a30b6580bca---5912107506.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/d523e93cd081729cdecf616c43f68be2/getimevarejugewovalepu.pdfIn PDF document text
- http://thuexe7cho.vn/upload/files/9678430922.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160accde9a8c0c---pedugibomedapamebev.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/67bfbad6c811b2113e0779f2c566d053/wujujudezasizojekor.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/1ll16l4858hnhckm6gsbqmm991/32615998310.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/169906aa918a4500dd122f1adb4e6964/70173918045.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/h68c2k45nb22pqh93ric4frp7m/vulizilititugoganu.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/1053838040.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd04832e0e---94669712667.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090b7d4b8d31---keboxujavifuneguwu.pdfIn PDF document text
- http://mrtowing.ca/Lawyers/userfiles/file/gazibemokimafami.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/83951998843.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/45262184131.pdfIn PDF document text
- http://anandtouristcorporation.com/uploads/dulezotisomagazi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=bukowski+libri+pdf+gratisPDF 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_off00011394.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11394 | 20572 bytes |
SHA-256: da0538490383b4989ddf4ae5e065aa7f4b53d36bc52d12dc9db65733c9689241 |
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font_01_sfnt_off000149d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149D6 | 10908 bytes |
SHA-256: f8839ab3e14d85da6817e1750f9381db2cf819e7381bf57a0761c505afce2b5b |
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font_02_sfnt_off000162ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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