MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external PDFs hosted on various domains, many of which appear to be compromised or disposable, suggesting a link farm designed to distribute malware or lead to phishing sites. The presence of a 'download' button lure further supports this malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://resetimpianti.it/reset/public/file/60081765884.pdf In PDF document text
- http://acril.ru/ufiles/files/11312379431.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/97dabd0b7e666276255cedf9749a5551/32389264029.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/vozexafuzidemuzadeboxadob.pdfIn PDF document text
- https://nevisnews.com/userfiles/79732210756.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/72857278353.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bewed.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607022b809866---97915905757.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/25649956853.pdfIn PDF document text
- http://udmvdpo.ru/images/files/25187767843.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/tvo13hvdgpa3gdlegt0vba0ahd/bunareguju.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dcf908985---82631061403.pdfIn PDF document text
- http://wenxuezj.com/images/File/bitukeweku.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/pk4gf52olmmu3dgdd4hl83n4ve/66051523076.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/25d4f35d5f562add713a6e6b7844b4fd/13288416191.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/54409594570.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/bc581f77d33bbe56ece3e2067dba9fc7/97434391130.pdfIn PDF document text
- http://aucoindeshalles.com/menu/file/48536629108.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/rijuziver.pdfIn PDF document text
- http://synergyproperty.com/images/files/lofesudik.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/79705219397.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/nijevozara.pdfIn PDF document text
- http://archi1919.com/smlclub-files/file/94810274300.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb3ed0b30b---74300438692.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160788631703a6---xigerupubiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=wings+of+fire+book+1+pdf+free+downloadPDF 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_off0000bc43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC43 | 16052 bytes |
SHA-256: 674e0c581a60156d1d84d22621b71cc2908375da44a9829560e0198125c72955 |
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font_01_sfnt_off0000e5ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fdc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC5 | 10936 bytes |
SHA-256: 1ec4a4710ea11a117869892dcf9385a400c9b8bd9bd7c2fa0e128f59303a19bd |
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