MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories, suggesting it's used for phishing or distributing further malware. The PDF structure and embedded links are consistent with a spearphishing attachment used to lure victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609269495385d---54579377233.pdf In PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a6550e737bf---7411312123.pdfIn PDF document text
- https://cape-electronics.com/media/file/megotomavi.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/25183150473.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/178dd22q86tbolnjstfsglc6mr/demizodezazerikidele.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/7d6f6d2dab40a27ea26dfe1daf957388/87463556991.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/e79e457f7a6ae79c5a646f908836ed7c/finizowiredop.pdfIn PDF document text
- http://briarcliff70.com/clients/874901/File/30960889005.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48e4635a9e---72116746665.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab01861506---34013700369.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/gamulivi.pdfIn PDF document text
- https://gruntbudowa.pl/files/file/97152711557.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/e9293c236d7017f5cbe3f76c30e23c94/mibikeno.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9182b629cc---9919072445.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e3f0418a3---98100464941.pdfIn PDF document text
- http://grupopiscis.com/upload/files/25586413783.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/kotivefegevareko.pdfIn PDF document text
- http://plnjl.com/userfiles/files/wopawefebuxivalokudaxigat.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e1094c03b66---dopejofufafi.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/55832180525.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdea0d7b11---boloniravum.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/kixipotefewuwimukebabe.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/a9c24e1e8b22d283a625a00dac8bc637/defomurinibezon.pdfIn PDF document text
- https://gyandeepjkss.org/userfiles/file/xugotumajelatagadibav.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=fiedler%27s+contingency+theory+examplesPDF 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_off0001192b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013142.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13142 | 11188 bytes |
SHA-256: aa3452af1f4749262d55911e66a55ae12fc78bdc44955795238d887ebaa48f11 |
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font_02_sfnt_off00014b12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B12 | 16604 bytes |
SHA-256: 5e554272923c46291664e254e3a81f0839d15c71cf979cf6224501ed8a19cb75 |
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