MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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, suggesting a phishing or malware distribution scheme. The presence of numerous unknown URLs further supports this, as they are likely part of the malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://keralabiblesociety.com/fck_uploads/file/sekerajukenepapovukozonat.pdf In PDF document text
- http://ud2-140.com/files/parolekewafibop.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/93a75ddfd898f73d3358258e05a5559b/2146269618.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16079dd87e9aa9---45298829195.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/pejuvovuvapazetimenefige.pdfIn PDF document text
- https://cqc-material.com/app/webroot/userfiles/files/ziremowukobufilabipajoxux.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/90469299932.pdfIn PDF document text
- http://studiodrago.eu/userfiles/files/10315905480.pdfIn PDF document text
- http://willbramephotography.com/24409384864.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/cvqei74ncrjtfa5j251bcmugck/fipojivaza.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/vexapibawu.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774480d6f6c---vuporukivuduzovigubak.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/4e6181f8fdaf7f5c1bc38c876013c6ce/46141260251.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/2112dde473c8ebbc724abd2ca28c9d3a/xalufek.pdfIn PDF document text
- https://hagabb.ro/ckfinder/userfiles/files/52097033659.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/fonoxafavuziles.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7304987cb---78930179446.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/6516643441.pdfIn PDF document text
- http://dsagco.com/Upload/file/20874602873.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/46632008702.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021071614291255.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/fc19bf49f9d78ca021c4f68f18549299/dajagurunomoxi.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/22786358287.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077accfae0c5---duzifufufudakegef.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+relight+pilot+light+on+a+baxi+boilerPDF 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_off000106b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ecf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ECF | 10680 bytes |
SHA-256: aa03828756a95bd0ae1ab0aabd0ea4e41c1d3fe97fbe719cc5d5c01b6372ac41 |
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font_02_sfnt_off00013702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13702 | 17748 bytes |
SHA-256: 73c282e45a7f37bf7794584d2e04ff789e79addda5d258d576378b549f372a4e |
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