MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded content are consistent with attempts to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ketchas.ru/uplcv?utm_term=nice+describing+words+that+start+with+e PDF link annotation
- http://www.mustwalge.ee/data/content/files/fupijafini.pdfIn PDF document text
- https://grandegroup.net/files/nirozumurabimofagagabaw.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/70543294196.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/fuwotajew.pdfIn PDF document text
- https://qkon.ca/images/file/muxeloxitorumare.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/papuzo.pdfIn PDF document text
- http://iscelenie.info/files/file/zutidu.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/4511060785.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/47906724968.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/6568291f147344a184caceb3d16fb894/pugigatofipupabugipovuxov.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/13054974140.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/26934798834.pdfIn PDF document text
- http://bagiez.de/userfiles/file/58167343455.pdfIn PDF document text
- http://metabolizmusonline.hu/images/upload/file/bonukesovuwow.pdfIn PDF document text
- http://micdelhi.in/userfiles/file/tuvagubotev.pdfIn PDF document text
- http://dichvu12h.net/userfiles/file/jeboro.pdfIn PDF document text
- http://meskerjager.nl/media/files/85260835027.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/tukifanozopokajo.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140ffe02914c---51150448194.pdfIn PDF document text
- https://olterus.net/contents/files/renem.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/88368918053.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3def67582---nekik.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/81110226071.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_off0000ec35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC35 | 18384 bytes |
SHA-256: d434182d4e0896d932d991b8a5092651436e5ddb6487f7850e5dcca82dd18649 |
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font_01_sfnt_off00011c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C02 | 10804 bytes |
SHA-256: fdfbd2470bde40db7ccf572c54b583cc68c6171e079bba1ba26072db3cdbc39a |
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font_02_sfnt_off000134be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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