MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm pointing to compromised WordPress upload storage and disposable hosting. The embedded URLs, many of which are PDFs themselves, suggest a phishing or malware distribution scheme. The document's structure and the nature of the linked URLs strongly indicate an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://clinicaveterinariasangiacomo.it/userfiles/files/luporiwajukokumitepagod.pdf In PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c972f72b10---20927087737.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160993c074cbf3---64346767426.pdfIn PDF document text
- http://constantemails.com/userfiles/file/1623191889jixeliwibutoxitolul.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1731a2218---gapukak.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2bd556eba---xumadivofuzirefexabu.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/8a70ba4550f5f1219a0e99922bacd4f7/74789519690.pdfIn PDF document text
- http://hmconcretemixingplant.ru/d/files/37151431808.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/sobijapobafudak.pdfIn PDF document text
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/dekowupokulomezesaviluk.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083d10b66a0e---lukim.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/5911ou5c2ll4o20e5frj3dtck0/86861655435.pdfIn PDF document text
- http://hurtglass.pl/upload/file/witujilusupagolulibuwupu.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/279330f745784a0a9bdc4896fea49e1f/rewepojogit.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/gugixusuboniganoro.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/72040e2d69e87a7dfe360aa520474329/76212005314.pdfIn PDF document text
- http://hopkins1983.com/clients/861771/File/puvilibibugugeninor.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1560f21c3---lufizimadetoj.pdfIn PDF document text
- http://rioairporttransfer.com/ckfinder/userfiles/files/mubaloniroxevib.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///6665402282.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/91867236081.pdfIn PDF document text
- https://vivekanandbawwa.com/userfiles/file/kedojiwo.pdfIn PDF document text
- http://atek-ent.com/upload/file/magoxovusafudozigiwazo.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a170c91bb13---xoparonazepazuzozenoke.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983e912ca0d---9064203815.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=morning+star+total+history+and+civics+class+10+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_off0000e749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE749 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5B | 16340 bytes |
SHA-256: b3490d6f9ec677695686b748e841d635b0a01857b3cc04f3be90c9b8d06d705f |
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font_02_sfnt_off00012995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12995 | 11080 bytes |
SHA-256: 186a23ce108f3dccf0e11ba7bb1bbb784151d035565f8391f54a823399766bf5 |
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