MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate this is a link farm designed to direct users to potentially malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/be30abf209c04d1116cb9ec3e78cc19b/11724794158.pdf In PDF document text
- http://tuvanluatdanang.com/upload/ck/files/3680202103.pdfIn PDF document text
- http://studiosimonepantaleo.it/userfiles/files/xozew.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/94720486874.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/a50f219feaea222f62e6be1f98a90ce6/85951111824.pdfIn PDF document text
- http://vencedor.coop/images/admin/file/74412672579.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/zowamosawa.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9f9500cc9---45715459481.pdfIn PDF document text
- http://techbis.pl/files/file/dugimo.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607bab4f48e51---palazusobi.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/95p9a6pcvoe5r07l2a37u1urum/xiforowezik.pdfIn PDF document text
- http://forumcutuca.com/ckfinder/userfiles/files/toxulelasejej.pdfIn PDF document text
- http://www.tekkoo.net/images/library/File/44031930585.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/3cbb07ddb0fe1e9097ab9ce24c81a4a8/5036062125.pdfIn PDF document text
- http://nappsa.org/userfiles/file/10663026309.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b48f7433802---pavupew.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/pisezukusarizuvogutoko.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cory+in+the+house+smells+like+school+spiritPDF 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_off0000e7d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D7 | 17224 bytes |
SHA-256: 97fa2afa310c66ec3c036c4b33af400530874e40f79d95ecda2e439dab27d239 |
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font_01_sfnt_off00011455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11455 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C6C | 10816 bytes |
SHA-256: 649a835d9d2e8ee0d6af03a947e3091f846bc3f46e2f41df09b235877c196461 |
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