MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many of which point to potentially compromised websites or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using such sites to host or link to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://www.workbythai.com/admin/assets/images/jibapaj.pdf In PDF document text
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/81672215319.pdfIn PDF document text
- http://sapthagireesyathra.com/userfiles/file/wugakasipibafiwujun.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/1097138541.pdfIn PDF document text
- http://shanghaiqingchen.com/upload/files/rewimuligofifuvopimonu.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1hvmu9i96oteg8hgp77n1cuoiv/nedavezatemefowogurusuxob.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/57060163243.pdfIn PDF document text
- http://tensoinox.com/userfiles/files/jamituwakimi.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/pinulixenotapexe.pdfIn PDF document text
- http://murasakijr.com/uploads/files/5167479049.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/50191900899.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efb7abf0c0---71362414406.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143774755653---sivejoxusakivotukel.pdfIn PDF document text
- https://www.temtechnologies.fr/ckfinder/userfiles/files/vosos.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/lixagafik.pdfIn PDF document text
- http://kukdae.com/files/fckeditor/file/98556261839.pdfIn PDF document text
- http://betheaskssd.com/flash/betheaskssd.com/file/44461634301.pdfIn PDF document text
- https://yenicekentkaplicasi.com/userfiles/file/67910377632.pdfIn PDF document text
- http://cofetariafraguta.ro/UserFiles/file/kubokabo.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/89753265883.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=spirit+untamed+putlockersPDF 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_off000101bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BF | 10944 bytes |
SHA-256: 56def6264b3cc936293755147d6114447e9a518f4485ca1ce0c3c682a8ec2d52 |
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font_01_sfnt_off00011b0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0B | 20364 bytes |
SHA-256: 1cd0baec41e529e7c90b1f3535d23743c0cdc2c704ab46578cee88365807d7c3 |
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font_02_sfnt_off00015044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15044 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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