MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics identified the PDF as a link farm pointing to compromised or disposable hosting, with many distinct hosts and UTM parameters suggesting SEO manipulation. The embedded URLs, while some are marked benign, are part of a larger pattern of directing users to potentially untrusted sites.
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 https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/72gvbrlqeoupkem77d823mu745/70638321608.pdf In PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/9dknbuj7h283aqrvju7hr70pth/75974381731.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/44ebs9t353n9eaa89eplq5qdv1/85122587705.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a0b74537c---46548225779.pdfIn PDF document text
- http://asupuro.com/user_data/image//file/zigov.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd98d0d3ba---50314946686.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/96179967750.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/nobas.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/7cb98f3ab202f572360b226d50648c84/vowufolobaluw.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608271ac04710---winomexazesudafasev.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/084ea93c59dc20f240d7e52f2749ceec/4403313051.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/5186073456.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b749cddb232---18197111390.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a5f102e46---84123734013.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845fa077f7e---45078266255.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/4fea8a0c73427fb0eb53d037505b2772/41369214427.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/9dd42b26a31b8fa3b4200ace2be3725b/86374289535.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/pewigikufudo.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a02c6ab0f47---61517820347.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0fbed6738---69770101541.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/82140506010.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a87749f861---zodukekexane.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/18247831231.pdfIn PDF document text
- http://www.celso.org/download/mibotoronasop.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c064b907f12---12434692728.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=c+for+avr+microcontrollers+pdfPDF 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_off0000c2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D5 | 16552 bytes |
SHA-256: 42adbea13c1403b67f809ba89a7077ca8cea4c2fd1eb8843afd3aba343972147 |
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font_01_sfnt_off0000edcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000105e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E3 | 10880 bytes |
SHA-256: 68e91d27b224938aa73788ee1e701ee41164618c7f92db63dfa190351b76cca2 |
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