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 disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://phubozena.pl/userfiles/file/wukarigigaje.pdf In PDF document text
- https://livre-art.com/ckfinder/userfiles/files/pewemabokenakemos.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/47608266908.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137fa46b3ee3---35845354205.pdfIn PDF document text
- https://recrut.com/files/files/katonekozovopumemutotu.pdfIn PDF document text
- http://amsuatrust.org/survey/userfiles/files/tinizagapexuja.pdfIn PDF document text
- http://www.stemcellhairclinic.com/files/files/xikupogeb.pdfIn PDF document text
- http://savages.lu/imagesRTE/files/vukarul.pdfIn PDF document text
- https://nedimgame.net/calisma2/files/uploads/gaginutawegubuwowatiw.pdfIn PDF document text
- http://profesniprukaz.cz/ckfinder/userfiles/files/rimimubexatoxetoxodakediz.pdfIn PDF document text
- http://keemunblacktea.cn/uploads/file/110316343384.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/gatorew.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/zikawoniwavuwo.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/067f3634aef14d1766d55ebe1bd4e8ca/20142211925.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161412f0200fa7---sokinobatilo.pdfIn PDF document text
- http://pasted-radio.de/web/files/dapojiwazud.pdfIn PDF document text
- http://maturitni-ples.eu/UserFiles/File/lukuzuk.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/lukimufazefilesupuvuber.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/83760843126.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613730ab00333---fetexolinumelenas.pdfIn PDF document text
- http://www.fdconsult.qa/public/uploads/cms_files/23834880677.pdfIn PDF document text
- http://iucecb.com/files/file/pokudovadudononus.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+screen+mirror+ps4+to+androidPDF 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_off0000cf6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF6B | 10784 bytes |
SHA-256: 1fbd2717b17fcaab5a2d1f4e36485905fad281bd48d181baa82b15266e678d42 |
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font_01_sfnt_off0000e853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE853 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10065 | 18124 bytes |
SHA-256: b0853d94fabf30d9954f3886bf26a37d7d609705a1cca0bfdd81b1b4003c32e6 |
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