MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URIs forming a link farm suggests the document is designed to redirect users to compromised websites. These links likely serve as a lure for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://wastran.ru/uplcv?utm_term=vidmate+download+2018+install+download+download+download PDF link annotation
- http://tobn56.com/UpFiles/file/4421462121.pdfIn PDF document text
- http://carnow.jp/js/upload/files/73791380730.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16138e8c3df34c---60832667756.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/98410d9e6891cf057a4951809d240089/xukiwur.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16146a8f757d82---xenozasutupijojikomufiwu.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/3466018a63cebe298d7633aa92d2f97f/97192185505.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109160303521881.pdfIn PDF document text
- http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/kawufemorepikabudeku.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/64376429632.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210914171043.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/punefuvizoniniwibak.pdfIn PDF document text
- http://chinalabware.es/d/files/jetojexokasototarejanibax.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/2113290124.pdfIn PDF document text
- http://boldogelet.hu/media/24451754638.pdfIn PDF document text
- http://vinaktv.com/storage/ckfinder/files/rewozagoxogugafekazigop.pdfIn PDF document text
- http://htwy.com/upload/file/winizamosusamejabedapega.pdfIn PDF document text
- https://fleschimmo.lu/userfiles/files/pufukijepugepomejov.pdfIn PDF document text
- https://cet.sk/res/file/kapewerimuva.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/delogesevesunazej.pdfIn PDF document text
- http://geometramaurotozzi.it/userfiles/files/62975300268.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/mazipoparan.pdfIn PDF document text
- https://indolabtek.com/Uploads/userfiles/files/rofaruxamonibaduze.pdfIn PDF document text
- http://kelvista.lt/images/files/66393977933.pdfIn PDF document text
- http://estatepie.com/files/userfiles/file/voxugubix.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_off0000c9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D8 | 18052 bytes |
SHA-256: 88ce330ee1022363d69dde7d013b405f988c6eac7e918c9481ecf7d0200c1405 |
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font_02_sfnt_off00011092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11092 | 10868 bytes |
SHA-256: f8a94c91f238db70834fdfa41b906f13097eaca6522248e368dfa41cab0fb0d4 |
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