MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers strongly flagged this PDF as malicious, specifically identifying it as a phishing or trojan threat. The presence of multiple links on disposable or compromised hosting further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://lammermoor.net/imagenes/file/84829456434.pdf In PDF document text
- https://mszukam.pl/dat//file/81671825478.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/busofumogokeminafefawu.pdfIn PDF document text
- http://chemtron-vostok.ru/media/file/ruxupamotazelanujav.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210618_032B8E1321DC2CEE.pdfIn PDF document text
- http://ecohort.com/userfiles/files/pamedovagi.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/zobozodugodipisonusira.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/q5vgp6ihl09lc9unsqrrv88sj6/vigiz.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87f9939d89---niruleputarebowupuroz.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ecae6343b9d---68635511554.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/de044305d2b9340ce4bffe3d2e22c0c3/nenidipidododudusazezu.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f025aa8670c---30411885046.pdfIn PDF document text
- https://campermagazine.tv/public/file/47627788197.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/safejerimorones.pdfIn PDF document text
- http://smartdeal.pl/files/upload/files/77150012972.pdfIn PDF document text
- https://atiksigorta.com/files/31050854713.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b227a43fb6b---17255830683.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/78353235169.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/51jupp5jpobnom2c57o8foiv5s/84042281350.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/24676625445.pdfIn PDF document text
- http://etenindex.nl/images/uploads/5834286475.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1611d67684d47c---bamilew.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/zemoponazevoxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=newton%27s+second+law+experiment+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_off0000bc50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC50 | 10980 bytes |
SHA-256: e52a3fe227b627bcb0b5f377a04bd187eb34ff2098c0c6ac96d08a1d179e9a9d |
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font_01_sfnt_off0000d5f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE02 | 16084 bytes |
SHA-256: 64b7fa56800eafbda1e22f6c54c66fe98c5ad8c92df9fe3a82a802644b98ffcf |
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