MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The heuristic firings suggest this PDF is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dce0d07c59f---boxepebotabuxojejuzobodi.pdf In PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/50790166904.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/302d876a62f6c560505d9b321d7fbb1c/79205385620.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609455128f502---89181948504.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da63c55a7b9---81442923175.pdfIn PDF document text
- http://straub-online.ch/userfiles/files/detosojutibenuditesuru.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/npt983ljhr2ocqqd3odjtj1q86/bumupevelesigodejasepafo.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/20164790232.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/56224999796.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa7a9c65d4---ladazu.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/8079178455.pdfIn PDF document text
- https://orsam.org.tr/paketler/ckfinder/dosyalar/files/rodukef.pdfIn PDF document text
- https://aneri12.eu/res/file/78872375207.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/65f01874ff87688001d1e03944f06ba8/26304042567.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/21473343688.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/77ec568b975876acbf1247a382eedd8c/24444697381.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b63a7077492---xomevazu.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/juvepaw.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/zovirab.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/roveluguwetovubotazebe.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c224d8c21f---43378074647.pdfIn PDF document text
- https://victorybear-info.com/userfiles/files/wiguropivifefajet.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/da4087f09f50de4f2e1bd76f1eb9cf88/mukatilobimovipejinupori.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/8c0c2a02a84f101aa0365bc56de5c78e/67920342966.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/lovixopulalobaredi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=final+draft+4+answers+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_off0000d4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B3 | 16792 bytes |
SHA-256: 75f468ac6d3254dcaa2e56ca55c052eddc3f89d58dd1da6c0736e0847778118f |
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font_01_sfnt_off00010051.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10051 | 10512 bytes |
SHA-256: ecec94de107e2ad98f10f2277f3198ec3bf2bc57bd5c3bb479164f083bd5bdcd |
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font_02_sfnt_off00011864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11864 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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