MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://philabc.ru/uplcv?utm_term=turboprop+flight+simulator+mod+apk+latest+version PDF link annotation
- https://codefon.hu/js/ckfinder/userfiles/files/nirirobalukaxunoxav.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/ririnob.pdfIn PDF document text
- https://nurea.se/currency/userfiles/file/64663144924.pdfIn PDF document text
- http://americansemitruckparts.com/d/files/vojosorega.pdfIn PDF document text
- http://first-group.kr/ckupload/files/60944521374.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff7b3fa39---jesonij.pdfIn PDF document text
- http://bkm-market.net/userfiles/file/makitikiruroj.pdfIn PDF document text
- https://mastirz.com/userfiles/files/22336948011.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/mivefexafes.pdfIn PDF document text
- http://midospa.com/upload/files/35524055697.pdfIn PDF document text
- http://belst.by/upload/file/regidodabotepezukelopabog.pdfIn PDF document text
- http://autoscuolemontagna.it/userfiles/files/potebak.pdfIn PDF document text
- http://nusamulticentralestari.com/Uploads/userfiles/files/46475415121.pdfIn PDF document text
- http://kawana.tech/userfiles/file/zubaledimadadebapetuma.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/3df6038701eb765d2b2974bf01700ddd/96799912162.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/xosemamululefukade.pdfIn PDF document text
- http://shiokuda1.com/contents/files/77878625355.pdfIn PDF document text
- http://stilistspb.online/public/files/uploads/files/29865127786.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/kugabowafafaden.pdfIn PDF document text
- http://offerparts.com/upload/files/sonawilufuwuvodadav.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b4d7bb1a4---99897125667.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/10535698621.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/013808136dbde9609bf81b4bfca51a66/88828002144.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_off0000c06c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC06C | 16808 bytes |
SHA-256: 25a9a74e87a4b25535947fec51f9040d92a1cb5774a0429b1deddf00cb6d6c4c |
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font_01_sfnt_off0000eb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5E | 11308 bytes |
SHA-256: 36c5752c34cf8541c6b6cb640af8060912cd022e1bb43c54f3c2d953de15c732 |
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font_02_sfnt_off00010556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10556 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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