MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links indicates an attempt to deliver a payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/73582b718a2524dfff4c6fde2d75e8ed/53275668127.pdf In PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074a8d58ffd3---kopunovijude.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/3750427459.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16072f11978d36---76667032381.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/fb0bc554b0658de09added982860e619/69348745370.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/kiseru.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2dd37792b---zeruvo.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/xerexipuvetut.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/a99e58b5143fa36dcb54e21a4a4c7f90/28867769277.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd35405dcca---rikumemadage.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/vrdrsjeclb5k0rbdje4r5h8ta4/27790332587.pdfIn PDF document text
- http://dailycan.com/userfiles/files/wapejoj.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/e955e151d3fac5f72070a571977e7f15/wusupibewa.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a1b43f65f---rezebe.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b3d349d3cca7bd2932885d187996699d/wogubeweraniwofufa.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769ed71dbc1---vumedenevitud.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=phrase+and+its+types+pdfPDF 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_off0000e12e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12E | 18336 bytes |
SHA-256: 61167ec1af72a78f6bd63d92a1442fc31f0e992acd11b1e9ddb8fd82eff674de |
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font_01_sfnt_off00011048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11048 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001285f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285F | 10544 bytes |
SHA-256: 8053f24165654a035dc40dc7af9e9a46028d5fa09c7eeeb8a056eaa49277e212 |
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