MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, characteristic of a link farm used to distribute malicious content or phish users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://mgs-on-track.com/app/webroot/userfiles/file/91172254074.pdf In PDF document text
- http://tsmsaldature.it/userfiles/files/bixovadorisirizekogubur.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/51485df9efbef7789f28010dc344c294/11770969471.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/24098322374.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/80551432286.pdfIn PDF document text
- http://phunggia.biz/userfiles/file/xepugigixefezi.pdfIn PDF document text
- https://novitas.ro/files/mokozuv.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/16441749580.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/56441949853.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/179711208560ab5dc2bd3f0.pdfIn PDF document text
- http://rjbmachinery.com/d/files/lerilezuma.pdfIn PDF document text
- https://preciseenergygroup.com/media/56375226852.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210720103325_f48ke0.pdfIn PDF document text
- http://santeh.md/img/files/99782679925.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/jolodaviba.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/40123570415.pdfIn PDF document text
- http://camelliafb.com/uploads/files/202108182226283268.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfc2303bd5---dabopi.pdfIn PDF document text
- https://ideylia.fr/uploads/file/2048593336.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ac489aba23---kirep.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/29154120606.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/zunetevivofo.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/eab82a0065600d866ed165a2e2b3b375/nadigijibanabawo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=shoe+dog+pdf+bookPDF 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_off0000dec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC6 | 17944 bytes |
SHA-256: 2665b58e94d8d46dd3bf28340177caa8d98db4089267b0db021b2dd494b2d4d4 |
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font_01_sfnt_off00010cc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124DC | 10316 bytes |
SHA-256: f2a39d761fba0c2c25d7e55288bfebe7978a82c1d6a630d71202508fe1492317 |
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