MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of multiple external URIs and a link farm structure strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://naplesredeals.com/userfiles/files/59874175017.pdf In PDF document text
- http://polesprogettazioni.com/userfiles/files/82068984382.pdfIn PDF document text
- http://lactopad.com/uploads/files/5013334098.pdfIn PDF document text
- https://suma.ca/upload/editor/file/66093427997.pdfIn PDF document text
- http://viettranslators.com/webroot/img/files/92838787583.pdfIn PDF document text
- https://tarsiman.ee/files/file/50390461910.pdfIn PDF document text
- https://borgopitti.it/userfiles/file/vivimomawoweludexebu.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/xenotibazabofoki.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/7156ee5b64e904886aa3b2bcfde18d2a/46242422444.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/53171324061.pdfIn PDF document text
- http://bajkolandia-leszno.pl/userfiles/file/pokisove.pdfIn PDF document text
- http://edmo-cars.nl/images/file/81944748426.pdfIn PDF document text
- http://sibstroiexp.ru/userfiles/file/pijuloguviwomovutara.pdfIn PDF document text
- http://arisutour.com/ckupload/files/51229595878.pdfIn PDF document text
- http://www.extramas.com/userfiles/files/zizibefijiletibubema.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/12462654865.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210914032550.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614352956c13f---64597173427.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/30655854526.pdfIn PDF document text
- https://afayl.com/userfiles/file/rabujudo.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/86984674893.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/86821294451.pdfIn PDF document text
- https://tempatpasang.com/contents/files/sefawasasufuburujep.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/luvexikobizejapezabun.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/82537989195.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132bed7e970e---buzuri.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210915_BAD161E8506446F6.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=happy+wheels+free+download+for+windows+10PDF 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_off0000dafd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF314 | 10860 bytes |
SHA-256: 43bb48a7783519b91940f04eba3945cf1e0385aba8f0351f20c5ff3e8652834f |
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font_02_sfnt_off00010c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C21 | 16552 bytes |
SHA-256: 48b85fb284a6e78c8bc9e54dae47d1edf8b1d1c74a69cc4c4b317e7b46b13665 |
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