MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised websites or link farms, suggesting a phishing or redirection scheme. The PDF structure and embedded links are consistent with techniques used to distribute malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://wastran.ru/uplcv?utm_term=laoag+city+zip+code PDF link annotation
- https://chambres-lannion.fr/userfiles/file/13296493000.pdfIn PDF document text
- https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/jutexowefot.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161420899f31fd---murenilegelibetuju.pdfIn PDF document text
- http://servicedental.it/userfiles/files/7344800872.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/38812927835.pdfIn PDF document text
- https://ontogepszerviz.hu/editor_up/20320634104.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/85962547841.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/nizajiserigexunuxa.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/d84e651bb0bc08a00167a02f1afc6fa7/85402661021.pdfIn PDF document text
- http://nofatrans-int.com/userfiles/file/56802792522.pdfIn PDF document text
- http://xpeedon.net/userfiles/file/20210913055019.pdfIn PDF document text
- http://macierz-grodziec.org/files/file/xutizesapovo.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/femuledokojir.pdfIn PDF document text
- http://gabortech.com/admin/file/33976300470.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/92147353009.pdfIn PDF document text
- http://alteredcompta.com/buddha/ckfinder/userfiles/files/58194743130.pdfIn PDF document text
- http://dentalclinicbangalore.com/uploads/80942749726.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/dagowapinuneranofezuxo.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/88099670066.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b01043f0b---fituwalojonodudipemopef.pdfIn PDF document text
- https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/91451104341.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d822681021---95542013791.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/rikik.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_off00011467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11467 | 17800 bytes |
SHA-256: 2d8a068214b20ae952725650f792f753a9b8915a17b7655389079dfce0e8a054 |
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font_01_sfnt_off00014292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14292 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AA9 | 10404 bytes |
SHA-256: cca052ab6cba9384fcd3aaf6014d5b3b4a105315b859b5a32b8c060b4c40c3d6 |
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