MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed for phishing or malware distribution. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classifier flagging further supports its malicious nature. The URLs extracted, such as 'https://allytemp.ru/uplcv?utm_term=windows+8.1+64+bit+download+with+product+key', indicate a lure for software downloads, likely leading to malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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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://allytemp.ru/uplcv?utm_term=windows+8.1+64+bit+download+with+product+key PDF link annotation
- http://mientaytourist.com/uploads/files/wotizo.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/22744100032.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/jasomev.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615375e531f1e---30901934292.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210918_CD63254BD490B365.pdfIn PDF document text
- https://damiel.eu/userfiles/file/xilirazuza.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/pibajekupimubezuvubu.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d0b948cfec---27243134342.pdfIn PDF document text
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/ludidefisero.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/meruwuro.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/28454995064.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/zewilufadaduz.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/16802376683.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/piwopibuvazopalojom.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/69schrtqk4i2smvna45ipedc24/21700589957.pdfIn PDF document text
- https://konteshamamotu.com/userfiles/file/88567626507.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/damirewefujiri.pdfIn PDF document text
- http://fjzy18.com/image/uload/files/kulape.pdfIn PDF document text
- http://ratchadatitan.com/UserFiles/File/42120737594.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/60428771257.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/34440354647.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_off0000adfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c60e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC60E | 16528 bytes |
SHA-256: 052a2a134eb9715736af6b0166a43da1fb60967bc7ce44c812443d5a04fdb0e1 |
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font_02_sfnt_off0000f04a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04A | 11708 bytes |
SHA-256: 5c623796d2ca39b0cf97d27b423baf8697e7168fbad1958d73cbbaeee68a70d7 |
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