MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress installations and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these URLs and the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=bad+ice+cream+touchy PDF link annotation
- http://iraneto.com/basefile/iranetocom/files/37937486768.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132f993bdcce---99260234300.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/71b07889a56e6ae2aab0e088c4f0811b/gedovomobudazodezeseta.pdfIn PDF document text
- http://tongkhomica.com/upload/files/93817352011.pdfIn PDF document text
- https://slotpt2.com/contents/files/99678806055.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/xumaremitonap.pdfIn PDF document text
- http://firegallery.ru/img/upload/pulolamowasig.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/65496246614.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16130ad45377e0---40144833569.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/95643907203.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image/files/50905828589.pdfIn PDF document text
- http://penzionriverside.cz/files/file/45484101562.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/wojifumolir.pdfIn PDF document text
- http://theaterbuehne-schwandorf.de/userfiles/file/lifulitexi.pdfIn PDF document text
- http://irinaburmistrova.ru/files/67333456471.pdfIn PDF document text
- https://birudongker.com/contents/files/rupewimijuxojaj.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/wuxulotifavarom.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/jenadejaxitipovojatilaw.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210912232513.pdfIn PDF document text
- https://visualmotion.nl/uploads/file/patasamogukikakik.pdfIn PDF document text
- http://www.tramag.pl/upload/file/92702913944.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161353a7ce1b1d---fudumod.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109112127422674.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/kiletonapal.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_off0000ea82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA82 | 17888 bytes |
SHA-256: 6b011834b0139bfa47748a2f3270b3aee38041ac60cb8160ae852c3a954f3b62 |
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font_01_sfnt_off00011901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11901 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13118 | 10584 bytes |
SHA-256: 15112a6de016d3f21cc1d92df4c5776bea7280f53abdb2dcebee0cb2ef15e78f |
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