MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute malware or facilitate phishing. The presence of a download button lure further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/pukagimewuwiw.pdf In PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3f94c20ce---pofobuwixanufafit.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ed32c1dd5---nepokewu.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6788a610c7372e6740db17ea3d144fc7/69112863809.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/88384004773.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b783e1f0c5f---96011077610.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084415f53342---43194166956.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/depupigekuvijevanala.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/86736f4deeec73d2fc3676c979bd48e0/79235714089.pdfIn PDF document text
- http://asiavent.com/UserFiles/file///xufazukifoto.pdfIn PDF document text
- http://centrons.com/uploaded/file/197790678560f72ff830de6.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/cjoeggjsskr1qpetoq0d4qupc1/3128021927.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160e36559025a4---46397604943.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/26853256604.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/zunevabukimisu.pdfIn PDF document text
- http://xahscw.com/userfiles/file/tibut.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c61f1954c99---poxirolasafugebuzena.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa1bb02907---devipupuw.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/0e5b800c19fcbebd9162fe4f6fa877ef/39097324612.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/cbb007fc20122a662964c559ff2f3671/taluvovajuwogadupe.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/78108276416.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/fevirofopima.pdfIn PDF document text
- http://dade666.com/userfiles/202106file/2021060713544370554.pdfIn PDF document text
- http://chinahongji.com/d/files/68776172732.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608087da94879---87769687934.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=restaurant+inspection+checklist+templatePDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/96552165418.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_off0000f960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF960 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11172 | 16476 bytes |
SHA-256: 513f992ccbebf28e9cc51583e91596ea5b07869ab400c6a6f15a7e770b075ca3 |
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font_02_sfnt_off00013bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BF5 | 10876 bytes |
SHA-256: e6b6b84b940fc286e5d1bc99461b32854140e83e507887b58fc8b8c641ac01bc |
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