MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The PDF structure itself is also suspicious, with duplicate object definitions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://peak-experience-europe.com/images/blog/file/sudenanuledama.pdf In PDF document text
- https://deesudcoolingtower.com/userfiles/file/setovo.pdfIn PDF document text
- http://aotwresort.net/ckfinder/userfiles/files/98564216210.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/89416645879.pdfIn PDF document text
- http://jinyezi.cn/upload/236659795.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/76486957156.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/lavexemosimobog.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/64147761330.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b394bc1831---nunisepawubefajegedip.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/28783922769.pdfIn PDF document text
- http://sinostandards.net/upload/files/45861115852.pdfIn PDF document text
- http://dgkno.cn/upload/jepawirigefit.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613149af6839e---xidibujitogopufeg.pdfIn PDF document text
- http://daonshop.com/files/fckeditor/file/59376300042.pdfIn PDF document text
- https://mandaljeebanking.in/ckfinder/userfiles/files/witulezuxitogetig.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles/file/4238804819.pdfIn PDF document text
- http://divapharma.com/uploaded/file/40075268497.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/25357766775.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f809fb68db---35421048219.pdfIn PDF document text
- https://terracell.pt/images/file/66614944418.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/diwavim.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1615680215d54e---zuwuzirabulagekax.pdfIn PDF document text
- http://hondasushi.com/uploads/files/vonanoteliku.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=student+exploration+weather+maps+answersPDF 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_off0000b29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cab2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB2 | 11020 bytes |
SHA-256: 170d9460ae6c7359fb2e9ab51d2821c2b82b9dc8c997e30c4113917b5cd17c32 |
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font_02_sfnt_off0000e431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE431 | 14832 bytes |
SHA-256: 359cc21c60ce39b322243645d0abeae6b6e49af0a21b1a93319e071427b7a971 |
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