MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to compromised CMS upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple distinct hosts and UTM parameters in the URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://spiregene.com/image/files/20210625_205516.pdf In PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851802b55dd---xegexejuli.pdfIn PDF document text
- http://anandtouristcorporation.com/uploads/41296254987.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/4d00836fb936cbaa75c78c61ac5b35da/zegosorelofomozedilim.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708f039bf23---83060714654.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609f04d847d64---pesegikakexedaxajowaxa.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/53808885834.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/jakalixo.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ce695810b---tejilo.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/55777113795.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a6e42d32c---zeganafenepinadira.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16092164fbe698---43673718410.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/xesenisevuke.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/14e2c9220bec58113d0e4f4ea48dc4ab/47307489556.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/78p8he48du6qp18v592plae5ss/11644778007.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d842289d29---fuwaputavos.pdfIn PDF document text
- http://chinoboxingclub.com/clients/36032/File/96320724731.pdfIn PDF document text
- http://jedwines.com/cmsCart//upload/file/53028402734.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd3ffbb62e---51938800470.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/kugokaxuvekosutuzuke.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608736359917c---sutijalusapezoxileza.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f7c621c20---bubufane.pdfIn PDF document text
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/hebbevj22eo7psnr84jodqr6ir/51846737188.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/b7f0gmnifo2s6ftbf47njviekd/37563925863.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=compound+words+that+start+with+sPDF 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_off0000f680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF680 | 10696 bytes |
SHA-256: 68145dbfb06cb7119f21f8baab67ba7c4dc981371a1e93a174716ba0a27df4e2 |
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font_01_sfnt_off00010ee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126F6 | 17740 bytes |
SHA-256: 7863915b2a7dfb8926bf2393265abf61d29ff7224bcdcdf57bf796f788646d2a |
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