MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, many of which are hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The heuristic 'SE_URGENCY_LURE' indicates the document likely uses deceptive language to prompt immediate user action, a common tactic in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://inwebjor.ru/uplcv?utm_term=sound+recorder+for+android PDF link annotation
- https://grandplaza.bg/uploads/assets/file/xilitorizonirufulagimapiw.pdfIn PDF document text
- https://dichvumoinoi.com/ckfinder/userfiles/files/87133893199.pdfIn PDF document text
- https://www.alliance-educationsexuelle.ch/ck/ckfinder/userfiles/files/12088177133.pdfIn PDF document text
- http://blesk-stroy.ru/userfiles/files/11073654809.pdfIn PDF document text
- http://webinaris.blog/ckfinder/userfiles/publics/files/juzumizoruxukijiluke.pdfIn PDF document text
- https://insp.biz/img/file/89239874799.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/koziwow.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/belegewulib.pdfIn PDF document text
- http://bfttacg.marketsearching.com/upload/files/48729059975.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7599ad6b8---39711737392.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/nizavotezesanawogowew.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/10220361006.pdfIn PDF document text
- http://abwninemile.com/uploads/files/19272045678.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/wavifawewosiwon.pdfIn PDF document text
- https://kligi.viart.lt/ckfinder/userfiles/files/buzikar.pdfIn PDF document text
- https://parisnordmedical.fr/docs/file/22585572477.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/95750508654.pdfIn PDF document text
- http://kubak-ubezpieczenia.pl/userfiles/file/80799867741.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/ninotasivi.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/43197131505.pdfIn PDF document text
- http://shmgec.com/Uploadfiles/files/81328872712.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/zoberinenuwadifufam.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/6799892033.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_off0000d2a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A5 | 10332 bytes |
SHA-256: 05d7a7b3ee96854ccfe748331c67668a5b9bdecf124e2fa0555cb1e5012c20a8 |
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font_01_sfnt_off0000ea0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0C | 18420 bytes |
SHA-256: ea15a1e22eafc4a358cb31b009d86229aacc374c4508e841aefd8428b3834875 |
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font_02_sfnt_off000119f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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