MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various domains, many of which are hosted on compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
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 http://hasanmasat.com/ckfinder/userfiles/files/28385512472.pdf In PDF document text
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/16672013790.pdfIn PDF document text
- http://gemculture.com/userfiles/file/35795290371.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/tojap.pdfIn PDF document text
- http://metallpress.ru/files/81035312595.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614dfa04125a9---wefepum.pdfIn PDF document text
- http://energy-labels.nl/userfiles/file/43884048119.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/36104941500.pdfIn PDF document text
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/silonezunamasetatejos.pdfIn PDF document text
- https://divinescience.in/userfiles/file/vafivevexiwogimubuteritam.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/63181534259.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/81500538204.pdfIn PDF document text
- https://ikorti-iao.com/userfiles/files/54162755730.pdfIn PDF document text
- https://mallncart.com/userfiles/files/18474923652.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b2ca61b086---40640722961.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/wojotagupow.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/59173583622.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137b3eb02215---mokaj.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/8879325370.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/72106074818.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/1584474202.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146cbf12d4da---21402684331.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/xiwifovag.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=my+stomach+feels+sorePDF 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_off0000f41e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41E | 19320 bytes |
SHA-256: 4d53cb0a6b5b9f073a1780329d2f66c7e40bf7c9389794327a1610494f6d0107 |
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font_01_sfnt_off00012643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12643 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013e5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E5A | 10512 bytes |
SHA-256: 382430bdb48b8fd8252bece8256cc4e6d68667d1fb71f1a00c8a7b20f9f007f4 |
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