MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories or disposable hosting. The PDF structure itself appears to be a lure, directing users to external resources that are likely malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://adesso-moosburg.de/images/file/kadobixiwevidosoxaniz.pdf In PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4a48c670f---woxadonajuzebukad.pdfIn PDF document text
- http://w-mill.jp/images/file/lapodisutowadap.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/87487868862.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e46a98d437---fabobekokibip.pdfIn PDF document text
- http://ipceurope.be/assets/file/20960302247.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/68624910108.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/zetajeraxisanatefa.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/31154523657.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/dosiloted.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/tijunukagazabiwesumedibim.pdfIn PDF document text
- https://locktactyuma.com/userfiles/file/57580311193.pdfIn PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/49214622119.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/t7r74sj812vvuoi29f9eg4dbtj/86005201457.pdfIn PDF document text
- http://www.juthamasclinic.com/upload/finder/files/28516049559.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f363b7b09b---gemiguvalowuwozolul.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/rojisisujosijagobatefa.pdfIn PDF document text
- https://ventadeterrenosurbanos.com/userfiles/file/66595064020.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/wuwom.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/29028795869.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/64709826171.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/7198433258.pdfIn PDF document text
- https://labelmarket.pl/data/file/wowigopemaj.pdfIn PDF document text
- http://levne-pohary.cz/UserFiles/File/81421495606.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=free+music+player+app+androidPDF 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_off0000f320.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF320 | 17652 bytes |
SHA-256: 4f1b48a119de7d6d4531315508ac00e2b7daeb44f3ed5a04df3c08e5b120e6b2 |
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font_01_sfnt_off0001209c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1209C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000138b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138B3 | 10768 bytes |
SHA-256: 0d13d1f9c17818ec0cd053e9c7960bbff9a3596eca0dd56206ab8d0f17648579 |
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