MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing lure, likely attempting to trick users into downloading further malware or revealing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://thamdinhgiadaiquang.com/img/files/75176759334.pdf In PDF document text
- http://humansharehouse.com/userData/board/file/niwuluzagidolawodezej.pdfIn PDF document text
- https://przyklejki.pl/userfiles/99987597682.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/liwatugupofof.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/88237177211.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf766a5b88---30029126621.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/88599611293.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdeac18d53---84705086168.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c01f5a481---vutufumadir.pdfIn PDF document text
- http://bhs1966maui.com/clients/64750/File/wugivefebiveneweretipo.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0c632bf60---kuruxuzenepakivusoxe.pdfIn PDF document text
- https://ipic.vn/userfiles/file/40856587393.pdfIn PDF document text
- https://genegurumiraclehealer.com/userfiles/file/79790640067.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/bdd3054b9185aeb62f5fb16335227723/45467608110.pdfIn PDF document text
- https://mfdesign.hu/files/file/kajurigarelenabimadug.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0765edd5f3e9d52cc56059d6964807b1/jifikeguseduwelevirem.pdfIn PDF document text
- https://mimpiindahsatu.com/contents//files/lixirafegowixusojos.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/39930756324.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/c85048ba6db6991e74c05f37e5207704/78338904676.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/2426635239.pdfIn PDF document text
- http://zoop-tech.com/ckfinder/userfiles/files/77222441378.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b953df671---71362543264.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f34ddd33ea---nirizumo.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/rimulenas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=norma+iso+9001+ultima+version+pdf+colombiaPDF 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_off0000e7a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A7 | 11404 bytes |
SHA-256: 2210e64b983b62cb996b2a396e3e787d00e01e4d0bae4566a22ebefa81061006 |
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font_01_sfnt_off00010262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10262 | 18452 bytes |
SHA-256: 0b7d42fad66cb76d29b8db6332f6c17e2217117876e42efce2b0c2f6866bc323 |
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font_02_sfnt_off0001320c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1320C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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