MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity finding for a link to an algorithmically-generated URL hosted on a compromised WordPress site. The ClamAV detection and ML classifier further support its malicious nature. The embedded URLs suggest an attempt to redirect the user to a second-stage payload, likely a phishing document or malware, hosted on compromised web infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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://alajuusa.eemedia/contents/file/zolutemisefemowuzubizi.pdf In PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/d867cbd342971aeabeb30c937bed15ff/joremofipotugex.pdfIn PDF document text
- https://observatoire-omic.org/documents/file/4302301583.pdfIn PDF document text
- http://belst.by/upload/file/direzivexufofekezemenafov.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/pawusarofufipabavezu.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/kqpv9lbr57au13ipom2il2umgb/sirot.pdfIn PDF document text
- http://tamker.hu/userfiles/file/pinavuworakexasalufoj.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/24907376032.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa7617fa18---masak.pdfIn PDF document text
- http://natproperty.com/userfiles/files/jidixanegof.pdfIn PDF document text
- http://lifecare4all.com/upload/files/79526237201.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/6h998rn59hdtjt1pm8bo0l3gos/10514285293.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7e8bd572d6---kijanebuvuwuxotebewu.pdfIn PDF document text
- http://yuhongzg.com/d/files/97695478440.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/f7e5d69a4c062f8c2e3289171b11f317/20029672095.pdfIn PDF document text
- https://equantumconsulting.com/files/files/55018542350.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/xosepepo.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/10faef10df9d01884f11f2a314b410e9/levokabefuvuk.pdfIn PDF document text
- https://olterus.com/contents//files/nadikun.pdfIn PDF document text
- http://buergerforum-tirol.at/file/58728129674.pdfIn PDF document text
- http://safetypath.net/cms_images/zasuwo.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606efbfb3576c---45454835128.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=textbook+of+limnology+5th+edition+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_off0002c919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2C919 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0002e130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2E130 | 11060 bytes |
SHA-256: e74c51fe114fc5bb59dcccdd6e3130b1d3515f0d55a8a0b52422eeb634738dd1 |
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font_02_sfnt_off0002fa50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2FA50 | 19596 bytes |
SHA-256: c46793537196d57d28d4166b75ad747727a7a80780dd1087dcd3b2753a42e487 |
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