MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9655
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://coretry.ru/uplcv?utm_term=rules+for+a+minecraft+server PDF link annotation
- http://atek-ent.com/upload/file/fugololako.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c8936fc37a0---konagur.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f387d82d6b---45288213520.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/pugenudiwi.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa56d011409---48897554449.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/t6trlkcc0at0sbdrg2j0e3ersf/dedusonudivosaxokiwexadom.pdfIn PDF document text
- http://heldermusic.nl/ckfinder/userfiles/files/4888142213.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/gibuzaxigo.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/5f757ef731dc8f626baf61b0275153a9/16448663718.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/6e0c2c98276fe54cdae7cac628e23ba5/74589505799.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2464642fc---tebupubuzopedipo.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/fopij.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/079de25e54e2de4fc7339c70040f070b/1212984064.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c7f0c6281---vavuzo.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/nufinopefexima.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/e79fb769a2614cd157430b7d0bafaacf/56692959659.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/54be322b031d5700b4827d6b405fa060/pupulotaxikupemoxap.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/jiputesejatefibet.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/kibukobef.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/40143409938.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/df07d98853060d1fe041f3d734adca3c/38807023467.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/pelaritevofadufisotipax.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf3ec1dd7d2---xupewizefenamelo.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/96f35902a3acdfcd678a53c9431b6097/mavadulubadojefoz.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles//file/31528748026.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00025bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25BB4 | 10708 bytes |
SHA-256: 693ba2c54e752fe7b03e12499cdb28f8bfbcc516e00548f59708f6492d180842 |
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font_01_sfnt_off0002744f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2744F | 6572 bytes |
SHA-256: 406c0c9d6a3ca91e757a629d683a20a793b207ade2f1d09393cee91908c21612 |
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font_02_sfnt_off00028bd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28BD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0002a3e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2A3E8 | 20508 bytes |
SHA-256: 05b489f06e3169fbdc5568d93068528cb3ea2702e0e8693e6cd0d0db4200ddb7 |
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