MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous external URIs, many pointing to compromised WordPress sites, suggesting a link farm or redirection mechanism. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, likely intended to lure users to phishing or malware hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://oniceh.ru/uplcv?utm_term=ha+inside+out+and+back+again PDF link annotation
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f7d68a4688beec6c4c38dc361886f58d/degomewixotupuvozefu.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/82810631720.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/d740afeffca87bc4a90030309c222619/68548405880.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/1c271517489d0f6dc753d395078de880/95232051172.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094713d4285c---37164036206.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acbaaa2e081---56776435652.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c141aea862b---tazibeti.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/e1ce1d9e9a5b9b9a3bcbfa1c98081de1/88732970757.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608686fc3bb53---94405390714.pdfIn PDF document text
- http://goref.ru/files/file/38753246993.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/e9389a883523fd3c058c3f50510ba48e/wubap.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c4792d749c3---923300.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c123b6359---deteneziterinuw.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/10n6qc6g0ahm4k40mie6j6gmf1/58282745703.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/maguvigupeveseb.pdfIn PDF document text
- http://aweibel.com/Photo/file/89130744428.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/649573ef2be55f87b89a7ee973a39954/dabimusisetalubiwibev.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160904a49f0eff---17111005169.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1eefa31aa2---48025430643.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/26143556576.pdfIn PDF document text
- https://cissud.com/uploads/ck_editor/files/wapevatebu.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a81e2d4b1---zoxobakokak.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609962bf17a65---86064545127.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/91ae0548af4586ebe3e3da8860a6cacf/82001250258.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/samifuwokupowaz.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/4d461178bdbc740ff7b9d6386526a59e/41452641124.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_off0000f1e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FC | 10724 bytes |
SHA-256: 0f7e27112543a116393042218dc4d77375a908087d098fe32a61ca62fbc6ea86 |
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font_02_sfnt_off00012281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12281 | 17408 bytes |
SHA-256: 4ccce7392c9560850dfce30c9ee250c3b8118ac731b5f7697234d2970fe43684 |
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