MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to obscure the ultimate destination and evade detection. The presence of these link farms and the overall structure indicate a phishing attempt, likely to lure users into downloading further malware or visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://share-world.tw/userfiles/file/4281048213.pdf In PDF document text
- http://ptichile.cl/userfiles/file/nesapazoganenagaxesevo.pdfIn PDF document text
- http://restorationteleconference.com/clients/73716/File/medalodobumujurijis.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/2c4b64dc6f8ccffb13ac26f65d82fb2b/84263814141.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/jimonamu.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/33687208356.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/somiva.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16084716881267---11929398830.pdfIn PDF document text
- http://zuestag.ch/userfiles/files/91241817713.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/tewagulelanita.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/80879527099.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/9c2f1cb674279d3880ed73364f6b366b/65391027250.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8e196b32a---6726345551.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/jaredopa.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/lef2m0agr830s3oae8g4s2kgnu/buvuzaji.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/61955461855.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/2889181b715e95ff7b5528e3614f78e2/30476478358.pdfIn PDF document text
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/63819247434.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16079b94d4f5b6---nowapopifokizigumiro.pdfIn PDF document text
- http://hevolta.com/upload/file/sagizem.pdfIn PDF document text
- https://flyfinz.com/userfiles/files/korigobigigoxubomevujure.pdfIn PDF document text
- https://aneri12.cz/res/file/10426053359.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=first+aid+usmle+step+1+2020+pdf+espa%C3%B1olPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/44203547717.pdfIn PDF document text
- 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_off0000f2d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D2 | 11132 bytes |
SHA-256: 5225c53baef97dba126c8aac0e8f5ea1e8b2a89109c91ce6624621e7f211bde0 |
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font_01_sfnt_off00010cc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC8 | 19272 bytes |
SHA-256: 6c547320e282460d8f3aa760fff10502d4f4e0cfbaefec2b433539b244263b39 |
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font_02_sfnt_off00013ef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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