MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further indicating a non-standard document purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cructi.ru/uplcv?utm_term=full+form+of+osi+model+in+networking PDF link annotation
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/guberajorogemugela.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1614c57738820a---35689187542.pdfIn PDF document text
- https://iasvn.org/Images_upload/files/safunebobulinu.pdfIn PDF document text
- http://szkolaprywatnaleszno.pl/userfiles/file/91344038032.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/titekadabotaxakikure.pdfIn PDF document text
- http://gzafjc.com/uploadfile/files/35327305403.pdfIn PDF document text
- http://designerhouse.ru/upload/files/23478930576.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/33163893747.pdfIn PDF document text
- http://yuha.be/_files/file/9912773488.pdfIn PDF document text
- http://apvn.info/userfiles/file/20740633275.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/42255481189.pdfIn PDF document text
- https://lrsinc.co/userfiles/file/vofifufovuretajitusax.pdfIn PDF document text
- http://gfzgt.ch/upload/file/21655817487.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/31750147743.pdfIn PDF document text
- https://livres-d-art.com/ckfinder/userfiles/files/fokasin.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/60358648094.pdfIn PDF document text
- https://nyig.com/files/file/vigukaluduvirejogew.pdfIn PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/54179548669.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/o05sodd271j41b44ripju0g872/zegenidure.pdfIn PDF document text
- https://998.geektic.com/geektic/files/3826038716.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146286d4cee1---vipisedapogomodurisulobu.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161397146bc455---30116913766.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/bijifovubavulet.pdfIn PDF document text
- 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_off0000af53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF53 | 16240 bytes |
SHA-256: 3c1a39f442f45808252144035b498b8fe5208b0eea9356448eea572437d498ac |
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font_01_sfnt_off0000d811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD811 | 10792 bytes |
SHA-256: 0eb95762915bac333369b79f680ddf61a0f8f18e5d8e52a18c30326f9cee0ca2 |
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font_02_sfnt_off0000f0c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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