MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS upload storage, suggesting it's part of a link farm designed to redirect users to malicious sites. The PDF structure and the presence of multiple links to potentially compromised domains point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=to+fear+god+is+to+depart+from+evil PDF link annotation
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/p0nbcfvovl0e39jiinaul62o7l/41003885719.pdfIn PDF document text
- http://bkht.vn/userfiles/file/59299671941.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/73451412614.pdfIn PDF document text
- http://gfb.it/upload/fck/file/gisuwedudigel.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/42349007452.pdfIn PDF document text
- http://sameiroeventos.pt/ficheiros/7904262943.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/potisezoxiner.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085f88273be1---42024098784.pdfIn PDF document text
- https://pharmalogindia.in/ckfinder/userfiles/files/80693120429.pdfIn PDF document text
- http://dexgerm.com/data/file/userfiles/files/girobibisavafavesu.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/51874283908.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/xekejopo.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/zasame.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e98358e5f38---53348030945.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/2791074547.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaa94843b4---82950399521.pdfIn PDF document text
- http://vizesblokk.hu/files/file/76355307067.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160cee4dd10413---xujabotewabune.pdfIn PDF document text
- http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14350957175.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087e4ce05656---23560164664.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/66981321042.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_off0000d644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD644 | 10764 bytes |
SHA-256: beea68b382fc6297013178085f6548b314612f9f78a6b4e62147cf6549095fe4 |
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font_01_sfnt_off0000eede.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDE | 16632 bytes |
SHA-256: d584ec9e0438f63fdfabe53453a28773680e6a96d5d5b322b9f1c07a1f322113 |
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font_02_sfnt_off00011a26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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