MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://coretry.ru/uplcv?utm_term=cookie+and+friends+b+plus+pdf PDF link annotation
- http://sahamit.net/userfiles/file/3669687694.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1611a745c915f8---99418685916.pdfIn PDF document text
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/44858051440.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b346963bfcd---50851692530.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d25aa512e94---nibevofojutep.pdfIn PDF document text
- https://voziky-paletove.cz/mctree.cz/pictures/other/files/3710372398.pdfIn PDF document text
- http://ttccid.com/userfiles/file/60393653372.pdfIn PDF document text
- http://www.astmalek.cz/obrazky/file/fulibatonipofumugadabu.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/40579775167.pdfIn PDF document text
- http://surestegc.org/documentos/file/kawirutujujafujarafefumun.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/11366893499.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/662vg55gdq0tnvheeug9l9thg7/41857960684.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/fopezubo.pdfIn PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/11155620199.pdfIn PDF document text
- http://tanabuauto.com/js/upload/files/82362087137.pdfIn PDF document text
- https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/0ff9bc0b1eb0ec1a755714444dfecf80/wugutadawuloru.pdfIn PDF document text
- https://armature.ir/cache/fck_files/file/29589519298.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/278eb0a97ea5d77d7739538be844947b/bewigozuzodapakififija.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127245126ebc---mosuseve.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/npusdkps9h031re75vrigusibk/15908917052.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/94950571514.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/8cc93ecc4359cc39e326903977d300e3/80488163099.pdfIn PDF document text
- http://hotelsandmartin.cz/files/file/luxuvuravibofiwaxewavam.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/5123677316.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_off0000b996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB996 | 18660 bytes |
SHA-256: a26918e00a5cb992b17c52bd964eeed3b5f0c91021da212368a7e83b7b217016 |
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font_01_sfnt_off0000e9a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BB | 10756 bytes |
SHA-256: 5f41ed2dacc8fe8cbb92551e66b6585fee7887f500d434728015857e689dc6ab |
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