MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple compromised WordPress upload directories and disposable hosting sites, suggesting an attempt to obscure the ultimate destination. The presence of external URIs and a link farm indicates a likely phishing or malware distribution attempt, possibly delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://flynewsletter.com/uploads/file/82558347363.pdf In PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7c039612b---gijavogebojenoroti.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b825c5a9f0f---dekitopotomujeki.pdfIn PDF document text
- http://sevoir.hu/uploads/file/80029507767.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/xedajuxakomebeg.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16099d58ef1ee1---72532138196.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9d054b190---20162628624.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/22779714853.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/32855769542.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/7f459fcac4f4e7ff8ee24836c5f29b5d/digonidorebanapalat.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/10203579361.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d1bdaaa63---nigojomekotokozevo.pdfIn PDF document text
- https://thietkevuphong.com/uploads/image/files/38502404320.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/bf0a9cdfe9c754e06d798071dc39aa00/goviviwatonipusa.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1056ea918---funadarirowe.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/bje37jgvchl5b9gevbmt05v88h/kizomobax.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/cff256d5a78c3b02906daa8d27f012ce/11841337184.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/diraw.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/41925735030.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/fa9042d3ac16d59e6a15538d4be04a18/mijosafotowugovelutiworo.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/389a0a4c2785be73b0f7f7917b26ff0a/24410020730.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebb898e7c0---98600233058.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f21c5e4ac50---75351043244.pdfIn PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/jodatibusi.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/39157385479.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=pearson+organic+chemistry+for+jee+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_off0000cb89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A0 | 11268 bytes |
SHA-256: 859b952b9ff13fab6e39b80e38a227fb5d7040e17141769fdaa028e9acb70be6 |
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font_02_sfnt_off0000fdb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB0 | 16940 bytes |
SHA-256: a4abe3861b4c3c6b8409594bf5ffcff553fedc0e2534138586a5b4751f29eee3 |
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