MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to domains that appear to be compromised or disposable, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://spherule.org/wp-content/plugins/super-forms/uploads/php/files/nfl8ij7km6vl66dosjcqkg6647/somagexiturajure.pdf In PDF document text
- http://isotech.si/uporabnik/file/39469426802.pdfIn PDF document text
- https://amatnieks.com/pictures/image/99660917012.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109270205189807.pdfIn PDF document text
- https://wanna-drive.nl/files/File/tumogetewubuxemukojotaxo.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/65136476703.pdfIn PDF document text
- http://theurbanbazzaar.com/userfiles/file/vogixas.pdfIn PDF document text
- http://www.northern-japan.com/image/upload/File/fatepuxi.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/ziledomowivedepugoloxu.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/23031513000.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/11423045436.pdfIn PDF document text
- http://lixupeng.com/uploads/files/sogoneretod.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/vider.pdfIn PDF document text
- http://www.brickchamber.com/ckfinder/userfiles/files/33971823400.pdfIn PDF document text
- http://feminella.ro/upload/fck/laxafumotoju.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/34207656414.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137853ba6c61---zokiriwixodobi.pdfIn PDF document text
- http://roberthalasz.eu/uploads/file/40751849557.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/f62dmih99jtuv79u6ubhng1hs4/31947127608.pdfIn PDF document text
- https://atlas-consulting.ro/fckeditor/fisiere/file/lusadepasiv.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/dagasedusiwerideze.pdfIn PDF document text
- http://wumag.pl/userfiles/file/84209637847.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/xPAns0MRe5M/uplcv?utm_term=lettre+alphabet+a+imprimer+pour+maternellePDF 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_off0000c249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC249 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5B | 18332 bytes |
SHA-256: ffeaeedd28ada5e203e246d7831e4c959210062dbffd499c05b7338bf5edece8 |
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font_02_sfnt_off000108fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FC | 10548 bytes |
SHA-256: b2e77400e49758abda35d6841d8b780daaebfe43fc8c6f290d16191b2667f3f5 |
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