MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to other PDF files hosted on a variety of domains, many of which appear to be disposable or compromised. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a link farm. ClamAV detection and ML classification confirm its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://fasson.vip/images/editor/files/58653848896.pdf In PDF document text
- https://108pizza.pl/uploads/userfiles/files/gupakasizugedi.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/gowezepemiwodafogapuraxi.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/bavetekaruwulitite.pdfIn PDF document text
- http://bestbelly.org/content/files/files/47980776402.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/21495873706.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/vobixuvuwekavexorixarubi.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d42792da4---sasujinunese.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/nikigekexux.pdfIn PDF document text
- http://metrocars.london/survey/userfiles/files/xopetogadukizuvuvux.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/9f5fb1fb4507d5a40a7b3748ae083625/domulajo.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ic7oa9pgu57f939663smaeevn4/mivonuzef.pdfIn PDF document text
- http://baozhaopharma.com/upload/files/texixabibeti.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/79204619508.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/7056191660.pdfIn PDF document text
- https://renteci.com/imagens/file/78876944695.pdfIn PDF document text
- http://dpholding.ru/uploads/files/75361187680.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/wunaruveforodam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gta+san+andreas+gta+san+andreas+gta+san+andreasPDF 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_off000111da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DA | 20904 bytes |
SHA-256: 13da581ba2a139a78eb69393eb89356138a852a419844b68a432ccb672539892 |
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font_01_sfnt_off00014819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14819 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16030 | 10204 bytes |
SHA-256: a5b0b42584a1f8939c9148fc50174468fa6dab9b5ceb21e898351acb4a5d0e57 |
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