MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to link farms hosted on disposable domains. These link farms likely serve as a distribution mechanism for further malicious content, potentially leading to phishing or malware downloads. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://89928386.com/uploads/files/202109201246296343.pdf In PDF document text
- https://ans5680.preneed91.com/upload/files/52248685968.pdfIn PDF document text
- http://ubytovani-budejovice.cz/picture/vtextu/file/78010347484.pdfIn PDF document text
- https://singlespeed-switzerland.ch/userfiles/files/menupipanitis.pdfIn PDF document text
- http://erodiertechnik-wenzel.de/userfiles/file/58028949838.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/gelodut.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/voxuvurozakofamujopijuzu.pdfIn PDF document text
- https://bike-accessories.supersites.gr/content/ckfinder/files/tujefinobenud.pdfIn PDF document text
- https://henuopack.com/d/files/sixozepikadarufapo.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/h29essv5vi5j17ud86iqgtohlu/1483443809.pdfIn PDF document text
- http://df-2.de/images/daten/file/86244668761.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/betowiwubapegisipagoso.pdfIn PDF document text
- http://ailizia.com/userfiles/82499706427.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161480781c9eb2---refer.pdfIn PDF document text
- https://sensiblemachines.com/ckfinder/core/connector/php/files/jaweviderepirorujujexom.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fff7c6f657---kidiwewurepomame.pdfIn PDF document text
- http://arniestribu.com/campannas/file/27487008327.pdfIn PDF document text
- http://cw-cut.com/uploads/file/93823662479.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/78849636844.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/vixowasigega.pdfIn PDF document text
- http://tufaghanafc.com/js/ckfinder/userfiles/files/xugagekikiwopivufe.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/8a704de450d44053f6e4aae90cbfb13e/41493021198.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/64749316372.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=top+10+open+world+games+for+android+offlinePDF 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_off0000ec32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC32 | 10964 bytes |
SHA-256: ecc5c91066953d0159ac3ae8ecad054ae06184c9a323eddd1a568cbac4c282fa |
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font_01_sfnt_off0001056f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056F | 18012 bytes |
SHA-256: 9443e6ed034a06395ba66be21d2f32a00e23ab41245ecd9f48d42892747fbfb3 |
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font_02_sfnt_off0001341f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1341F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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