MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to compromised WordPress sites and disposable hosting domains, suggesting a phishing or malware distribution campaign. The presence of the string 'Yowhatsapp new version download 2020 may' in the document body, combined with the ML and ClamAV detections, strongly indicates a malicious intent to trick users into downloading a fake application update. The embedded URLs and link farm heuristics point towards a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://archi1919.com/smlclub-files/file/ligapos.pdf In PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/l4f6lr3jbbshjfcnpokaittvk3/rovikafewurile.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/tiposijawegifuvamagikat.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/85572077919.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16071f518a1b65---61382712791.pdfIn PDF document text
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/9bdc66aff3428c0096657b6bb05ffdbe/82319219872.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/cb72de7a3a04c2279398cf1f9ba81cc3/kavupovejixeretuluvido.pdfIn PDF document text
- http://valeneighbors.com/userimages/nevaze.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/168d7228c1e14906f522a3fa31298888/lokun.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c26672f17---33624831716.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073659ac5a54---vatapimawamapi.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16084a6de20697---5559412147.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efe6eab812---luzijaposifavilobizudo.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099ec0b3b9c3---79112338395.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925fac94de7---bivanokupusatejid.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=yowhatsapp+new+version+download+2020+mayPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE651 | 5476 bytes |
SHA-256: 4d8c7d37d63895d92853c0ab331bb931409ec22d76e0b6da46bd7ece3eea5c93 |
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font_01_sfnt_off0000f8d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D5 | 11700 bytes |
SHA-256: 4030e2e51f9a5ceb67d7211d45f6e0c0ca23282a071b8891eab973619afd5761 |
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font_02_sfnt_off00011fd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD7 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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