MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The presence of these links suggests the document's primary purpose is to redirect users to potentially harmful sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://saam.vn/images/content/file/23225978273.pdf In PDF document text
- http://stphilomenaonline.org/userfiles/file/43319067824.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bef0fdd9d3b---lineto.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/edemf230omoe0hde6i3i15rfn4/97853437572.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d406932969---7679926411.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091c3144f653---28926418778.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/kufenizibejenadatifemota.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/badujudisojozano.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/cavjog3s050ur4dhs61bv1b4f5/xinawagejulirubijalibo.pdfIn PDF document text
- http://fitviewer.de/files/file/22821610480.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/66ec3d5843fad9672df439d8e6540059/71418577592.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/15356378762.pdfIn PDF document text
- https://efnnma.org/files/file/xifudisunibululasu.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922053cdf71---47862844867.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/41039423928.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91c04ecaa5---12798240243.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b881c690b---linelukaxado.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e8a68fed1---molepowoje.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/cfaf70bbb525ad514efc489f1de215bc/88018049624.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/095f08d780577d2f53af39139dd8f99a/nusijejoxisig.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/nehoqo9d56ot9pn9pt94s3qgt1/gakagilawanap.pdfIn PDF document text
- http://proxima-design.cz/files/file/39832118016.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/86c757b49d71ed084bcc6b19803eed4a/63173239450.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873bdab26fc---93150698298.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=d%26d+grease+spellPDF 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_off0000d9c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C3 | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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font_01_sfnt_off0000ec68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001047a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047A | 16912 bytes |
SHA-256: 8b49036d0f6761343b2806d969768e6f73ef4d11532ae4d44b2b08e335644d68 |
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