MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links pointing to potentially compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, but the presence of these links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/c286070161fea7cbb4ad613d6db5b5ac/26669512035.pdf In PDF document text
- http://webhenevents.com/clients/868374/File/togojuvogu.pdfIn PDF document text
- https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/6960355336.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/runewopisivedepipukup.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/fisibi.pdfIn PDF document text
- https://kompaspt1.com/contents//files/9551894203.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/digunazibakivasixozikal.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083842b82bc8.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/9v5tj8erk86hus3oddtlhgam92/16856711877.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/322efd95f71ebec1c7c0b91d6fd94b02/87018239911.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3837a17f96---bodasewadukovaxakorematij.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608164499c75f---jagabapivobanenelevabi.pdfIn PDF document text
- http://singlesync.com/userfiles/file/14359999401.pdfIn PDF document text
- http://sun-green.nl/ckfinder/userfiles/files/gapoxogilow.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/riguzasesigovonames.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161182c9e39d1b---3577070141.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/817b16a96eb937cf247f7525faee18f5/lutinagogunoramebukurot.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49b4195b38---7225626866.pdfIn PDF document text
- https://temahr.hr/files/najafodefowuxijebu.pdfIn PDF document text
- http://iccj.jp/images/uploads/fckeditor/file/43914604851.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/7117428836f67e212f8c7a8f5163fb66/lilovemazukegekag.pdfIn PDF document text
- http://nutranghongngoc.com/media/ftp/file/vopuw.pdfIn PDF document text
- http://englandmatchshirts.com/assets/file/xemuginotudakade.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8097331466---15812750972.pdfIn PDF document text
- http://sattosushi.com/uploads/files/34228457040.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=epc+4+understanding+the+self+pdf+in+englishPDF 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_off0000b742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB742 | 17752 bytes |
SHA-256: 330004ef9c879638f673845c2d3685fe9cfd6f3f16be04da837c6b2b534f82f7 |
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font_01_sfnt_off0000e512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE512 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD29 | 10940 bytes |
SHA-256: 3c6019b360e7f49ba8fade576039dc9d6f31e073b77e8f21fb1cb8bdef94a66a |
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