MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs, many pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of multiple external URIs and a link farm indicates a phishing or redirection attack, likely intended to deliver a secondary payload or lead users to a fraudulent site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://study4student.com/cache/fck_files/file/nifitavojujegejise.pdf In PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b746ca0650e---zanoxi.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079f0f5c6754---87314860939.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a1c3144e3---5280256294.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/figudijobokitorakagekuvog.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/8149510119.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/nakevogejuj.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/10428911520.pdfIn PDF document text
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/597d48e7b0c376cdd8081cd3eddf91b4/lolabukutotimowerupofaj.pdfIn PDF document text
- http://agriturismolescuderie.eu/userfiles/files/dufuj.pdfIn PDF document text
- http://fontanarosaserigrafia.it/userfiles/file/xideperuvasejodomibu.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/7h33u8j8cgvm0ogjpmqdukugl6/87880020363.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/9f1daf123f7832e95fb4bfcea4661906/43739519757.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/m7o7vs0q44hhkdb6br445bigfb/56446939631.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608549fcab1ef---7645509613.pdfIn PDF document text
- https://rcot.org/userfiles/file/fulejumowugufajako.pdfIn PDF document text
- https://faresaldabbous.com/uploads/file/79953275500.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b339216241b---44061653553.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/46fnt2rarcp6iubs8l2mfe02u6/59799570729.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca14d0fa16---73203494126.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160865b226507a---8447589736.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16076cf5479aea---visaxoxawadomezukasuguwol.pdfIn PDF document text
- https://kompaspt2.com/contents//files/zimavofazulanejipelamawem.pdfIn PDF document text
- https://ludbaegitim.com/calisma2/files/uploads/jumiwidim.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=vehicle+sale+agreement+format+in+word+india+in+hindiPDF 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_off0000f7d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D7 | 10976 bytes |
SHA-256: 30f12f216397394274a2048735fc57515070394f8d1dc748f19b3fb49a062696 |
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font_01_sfnt_off0001110c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001291e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1291E | 16920 bytes |
SHA-256: b48c246ee387940c3d340aa0182e7b39302c8d28519f1a3d3e9a57c9972a7278 |
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