MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains a large number of links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, but the presence of numerous external URIs indicates a strong intent to redirect the user to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://medvor.ru/uplcv?utm_term=cost+of+driverless+cars PDF link annotation
- http://rebornfair.com/FileData/ckfinder/files/20210614_34E51B45548017A4.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/welupubepukutasexutile.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/tuzonefutotus.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210710_8726DDC929EE0529.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/0d5fb722eff0db0d4ede0531bec46c2b/42351898117.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/gawepes.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d651024310---81445539244.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/a4728191cb026a42f39a22f9e0610fd1/lotev.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/77575057314.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/54158078985.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/5b2219e25fda9d826ad14889d17ae306/93786248816.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7a74e56b9---53872245861.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/kikogefazo.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/pifatoxaladatuguvot.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eee268cf1d---53401410042.pdfIn PDF document text
- http://tremonttemplemacon.com/clients/862779/File/80775025489.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/bf051e2b5731f14b158cac5ddd0b069d/kupebazurowavofosopewe.pdfIn PDF document text
- 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_off0000f3de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DE | 16660 bytes |
SHA-256: 359c6607d85c86e1f263ce61c5d25c07c309aab5735c47bbfb9819a1b0ba94f6 |
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font_01_sfnt_off00011f26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F26 | 10460 bytes |
SHA-256: 1c92b84bf8a488dfd473fd16b7f23c8a57f26b78fe90276e64f68fdb77f0fc82 |
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font_02_sfnt_off00013712.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13712 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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