MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised websites and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of external URIs and a link farm heuristic strongly supports a phishing or malicious redirection attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/73859365872.pdf In PDF document text
- https://path.mn/userfiles/files/rosiwiwumewovizelewim.pdfIn PDF document text
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/wulodaxojij.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817bdeb2b14---75566386553.pdfIn PDF document text
- https://giustofiori.it/file/43612542170.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075fae7a60bb---80338352116.pdfIn PDF document text
- http://homestationrealty.com/userfiles/files/76133891329.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/46545505555.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/kc6c5qohaene7stqo44s9g6rlc/loguvara.pdfIn PDF document text
- https://gcr.goldcrownresort.com/magazine_files/files/virevaloduv.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/24890785097.pdfIn PDF document text
- http://www.centralperdana.com/file/35754974071.pdfIn PDF document text
- http://boratohumculuk.com/ckfinder/userfiles/files/dixatagiwefokefojeril.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/35e74895fc41d933f3f86f96cf35cdb5/10524545587.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/73950252938.pdfIn PDF document text
- http://sam-global.info/files/file/diguf.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/f1mn6iq4u3vmdacc7q3clihf7q/jogodolubepebotisoradel.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/taluluduxeramumone.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/ffc7c631a04f08873df677ef9639c2de/rixuguvoniwotopux.pdfIn PDF document text
- https://jxloanchien.com/style/postimage/file/sobulurevebibimuwesafu.pdfIn PDF document text
- http://magnachip.cn/userfiles/file/20210515015929.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/poeud86iu1lejscf18vp9dho47/53334272827.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/veverik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=braun+age+precision+digital+thermometer+manualPDF 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_off0000ea76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA76 | 11112 bytes |
SHA-256: bbbc8e099949b6b4f94fe05960dc5f2c5438425b6aaee1daf2bee47bbd3cb61e |
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font_01_sfnt_off000103fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C10 | 18492 bytes |
SHA-256: 85a5407d642fc240a9a28283e5cd13475c07c9bbf43bbe32e9095223534f60d7 |
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