MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm or phishing lure. The document body is heavily obfuscated and unreadable, but the presence of external URIs and link farm indicators strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/69631caf1ff810cc01ae049e9ff5bcf5/58788406003.pdf In PDF document text
- http://pietroquatriniarchitetto.eu/userfiles/files/61209299090.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/861db8ef866575eda867367dbd246043/xiwesenitixutuzad.pdfIn PDF document text
- http://ez-surveying.com/htdocs/cljr/data/files/28524095859.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/26585095958.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/77525318213.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/15754327555.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b96e1af075---tonapimusetedekivepilewu.pdfIn PDF document text
- http://nceed.kr/pds/userfiles/files/74722565884.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/56f1736683bc0c1d21741c1f2dd5a96b/58887817978.pdfIn PDF document text
- https://giverny-bkk.com/upload/files/80145711093.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/pikalirok.pdfIn PDF document text
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/kudisarepesuvonimodidure.pdfIn PDF document text
- https://www.tamilsaga.com/ckfinder/userfiles/files/vebanewowutonuz.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210907101655.pdfIn PDF document text
- https://nls.vn/upload/files/89024069947.pdfIn PDF document text
- https://cytokin.ca/upload/editor/file/lifevebowopefipot.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/59690863694.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/5154b9cc33552e563453a0e3ca4416d4/vimimi.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/11801634222.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/wugibe.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16142558a739e7---denaselitijawozik.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/daxagulosageleseba.pdfIn PDF document text
- http://khocabien.com/uploads/files/74358541218.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=9th+physics+textbook+pdfPDF 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_off0000c82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82A | 16508 bytes |
SHA-256: 2b3e153d7767f8ac0109c717b32cb9919fe8326865fbe8c86cad3ddee65e70f7 |
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font_01_sfnt_off0000f2a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A4 | 10824 bytes |
SHA-256: a1939e4e5e5a359c8d164a564c25817e8c9d5236f7ac38d091ac60b971bf242b |
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font_02_sfnt_off00010b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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