MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to lure users to potentially malicious sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://chcial.ru/uplcv?utm_term=hiper+calculator+apk PDF link annotation
- http://yourmoneyyourbank.com/uploads/File/newokuvosusej.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/tetakolamef.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/97505651312.pdfIn PDF document text
- http://wirheiraten.de/images/file/33673025849.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/859661325ac0f08d77c2b5743e8df6f2/kelapujobe.pdfIn PDF document text
- http://aftckwt.com/uploads/file/kekibuwetifosijiwazorelad.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/tulozifogibilutuge.pdfIn PDF document text
- http://datavincity.com/uploads/ckfinder/files/29738731933.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/34368969670.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d02f473c1c---vafadologa.pdfIn PDF document text
- https://pima-alarms.eu/slicice/file/xosaxobakogikud.pdfIn PDF document text
- http://noithatmyhome.com/img/files/gaxokazimesi.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/55140672212.pdfIn PDF document text
- https://harmony.im/userfiles/file/zagososigupipag.pdfIn PDF document text
- http://sperrincaravans.com/images/file/18142548887.pdfIn PDF document text
- https://bauarch.bg/files/95605560250.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404dd9a1893---nudodexonulekogatenop.pdfIn PDF document text
- https://prettygreekvillas.com/admin/fckeditor/editor/filemanager/connectofile/51045861291.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/dojupabobexadutezaso.pdfIn PDF document text
- https://digireg.si/upload/losusodulelavubij.pdfIn PDF document text
- http://cmtsport.com/pliki/2852781073.pdfIn PDF document text
- https://tttinox.com/upload/userfiles/files/dikaxiresabozifipudivogat.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/fewudusitoga.pdfIn PDF document text
- http://kameleonhastanc.hu/files/file/mujajorejak.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_off0000d250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD250 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA62 | 21944 bytes |
SHA-256: bd670f4f4e74508df8a41fe280303c581a6a716a89e532932951d3bbd5c59051 |
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font_02_sfnt_off000123a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A9 | 10280 bytes |
SHA-256: b69edf62de42f93f76d6c7df94a3f8ccafa8e3ef0ea34c0e31ca596f38feaf1e |
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