MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm or phishing lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/182079e4b937ec1f2bfc0ce64ac67086/nazosebimiwab.pdf In PDF document text
- https://lawina-radom.pl/files/file/wotoxusile.pdfIn PDF document text
- http://sloplast.com/userfiles/files/5632281604.pdfIn PDF document text
- https://elektrona.cz/files/file/9087800788.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607077d211bcf---80208342948.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/wewakumamazapu.pdfIn PDF document text
- http://tingyi-bnb.com/CKEdit/upload/files/9183068092.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2d183dab2---4390336248.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/130813239657.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/98f79ac65aa958472ad4961f7248c468/7222069479.pdfIn PDF document text
- http://malifer.hu/upload/file/wafenukemixuxolor.pdfIn PDF document text
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/turuvefijajibifefom.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160badd0e07d91---fivude.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/givujubavufoxaviniri.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d32f044f41e---15417869439.pdfIn PDF document text
- https://yuss.it/file/wudotimuzujifuriwekedas.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/60296227808.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/3844955c0b3557d51aeb3f69dac2d32a/14228378059.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714a2fe02ef---siwizot.pdfIn PDF document text
- http://tai-group.com/upload/files/fupeze.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900ddcf0237---36424989895.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b968ce66a---xazezub.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/nadazigutijejufigutewut.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704abda3cd0---vavajexa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sample+how+to+write+a+formal+emailPDF 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_off0000e526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE526 | 16560 bytes |
SHA-256: d701eb68577985fc7918b2be064630565590bd08b158037347688f341b9afeb7 |
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font_01_sfnt_off00010fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCD | 10512 bytes |
SHA-256: 988201d7dfb8d27bc565a3ffcd5378dcbbb0f4ab7023035827c9575aa207360f |
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font_02_sfnt_off000127c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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