MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm. The presence of a visual download button suggests a phishing or social engineering lure. The numerous external links, many pointing to PDF files on unknown domains, indicate an attempt to redirect the user to malicious content or download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://obermeyer-modemarkt.de/upload/file/31375025325.pdf In PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16139640dc6d70---36626220837.pdfIn PDF document text
- https://sambelteri.com/contents/files/41500475172.pdfIn PDF document text
- http://mbfeed.vn/upload/files/95254441419.pdfIn PDF document text
- http://landonintergroup.com/ckfinder/userfiles/files/fugesovamifig.pdfIn PDF document text
- https://mimpishio.com/contents/files/44952022934.pdfIn PDF document text
- http://soncongnghiepjotun.com/media/ftp/file/metumuvupowebabitusazasav.pdfIn PDF document text
- https://fasaac.org/temp/files/lilukosufufedujutunifaj.pdfIn PDF document text
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/17396396552.pdfIn PDF document text
- http://www.jasfec.com/imgs/uploads/67294460544.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/24282035528.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/60465915183.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/wakigekebavukalumevu.pdfIn PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/83393547156.pdfIn PDF document text
- https://mar3ol.com/Files/files/motivopozekepivopinuj.pdfIn PDF document text
- http://greathorserider.com/ckfinder/userfiles/files/42195848666.pdfIn PDF document text
- http://rujiahk.com/uploadfiles/file/tuxuridutesu.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/sovevul.pdfIn PDF document text
- http://suurelepa.ee/data/file/wizibaliru.pdfIn PDF document text
- http://redskap.ru/userfiles/file/49663778753.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161433beb90ace---sewiramanibakimotatetixe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=forza+horizon+4+for+androidPDF link annotation
- https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/81480956633.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_off0000e73a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73A | 10120 bytes |
SHA-256: b92cb23355dd9bfc4948855708368ed0e3083348cf5d0c884054a4b410ac060f |
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font_01_sfnt_off0000fdbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CD | 18092 bytes |
SHA-256: 382e6a6bf2487409e130600caef98381c8248137acb138b9f0b4790c8ad9b0b9 |
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