MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs that point to compromised CMS upload directories, suggesting an attempt to lure users to malicious content. The PDF's structure and embedded links are indicative of a phishing or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608acf47c2232---mezozolir.pdf In PDF document text
- http://nowyhotelik.pl/userfiles/file/56471300419.pdfIn PDF document text
- http://pgnsualumni.com/clients/872691/File/torokapudisawofemoz.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d200a9ede68---95427972726.pdfIn PDF document text
- http://plastikacz.cz/soubory/files/kevukisojixalorolu.pdfIn PDF document text
- http://asianaccounting.com/admin/fckeditor/userfiles/file/27939432483.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/80548419559.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc6402b1a2---takawusufapu.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/b589687a90e17e5ae05ed69dd6226a58/ruvopokunolame.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606d65c320de5---lewalin.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bc4cccdf8---dukagaxigojesozipix.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/gde68h6su27vrc306tke848267/80691727951.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e46a22445---51635403097.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/texozapomenetilonijida.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4f86945e2---93314464120.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9f7178b4c---37426201911.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb21f2747cd---mivisuwodalunedu.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/csoleoi4mhnkmequjflsq1ckom/74646384629.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/uhlnpobsaaq9reun6igvhpkm4q/jowezavutafomajaxideni.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021060619441444.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a63fd89faf6---81382434177.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/049e68dd1620a5e5cd365fafa756f56f/nudewetedowaxaduboko.pdfIn PDF document text
- http://bomtvplus.com/data/board/file/20210609211236.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/dakinebuvupura.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=red+rocks+tequila+barPDF 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_off0000c466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC466 | 10780 bytes |
SHA-256: 0a5dc2358254d1bb02cfdcbc7436440bc76dad0914476259d4d86fdc874e5201 |
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font_01_sfnt_off0000dd2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f53e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53E | 16724 bytes |
SHA-256: 097b5005c48528859f69424b693824bff2ad0167f38622958b88bf807c465792 |
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