MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites acting as link farms. Heuristics indicate this is a link farm on disposable hosting, designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery via these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d55c906594---24312003835.pdf In PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/5f26dddf6267dbbb5962d88da81c5577/6234529207.pdfIn PDF document text
- http://zonweringnederland.com/ckfinder/userfiles/files/wepibasofirexovijuwala.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/f9c6e3abc5027b0648ec8238681c62b4/famavenopa.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7e7d1c36ad737265f2a2be1f954df039/tutajatip.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/c92932ef4f1d32686ca224fc8165e225/vuvagenamimuvetu.pdfIn PDF document text
- https://photofetimages.com/xaxejoxupaxapi.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/26811647095.pdfIn PDF document text
- http://fabienneblavier.be/upload/files/towit.pdfIn PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/34608684930.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/4109895998.pdfIn PDF document text
- http://lottfamilyreunion.com/clients/878857/File/71694337797.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/cf80212add563c5c71184647941b8a7e/24773890227.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/21263394562.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9303712b9---zegudotufijadoru.pdfIn PDF document text
- http://cw-cut.com/uploads/file/butosigaxixazar.pdfIn PDF document text
- https://plasy.com/uploads/file/56764951870.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/79869779835.pdfIn PDF document text
- http://chikatere.com/Upload/files/bogixogolif.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/4be953cb38c53f8e8ce2d8e3d6b68b0b/20619308521.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=baguio+map+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_off0000bcb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCB0 | 16436 bytes |
SHA-256: e8b67171a114fd4976fc19adfd36069db1d8e90fad1f11f250c1929c9f7ab5b4 |
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font_01_sfnt_off0000e721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE721 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF38 | 10348 bytes |
SHA-256: b62688a937966f6ae2227152cc62e3b253b2dec0b601581babd0a717245dc48b |
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