MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous external URIs pointing to link farms on disposable hosting, suggesting a phishing or malware distribution attempt. The presence of a download button lure further supports this, indicating the user is likely intended to click a link to download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://medvor.ru/uplcv?utm_term=calculator+app+hider+apk+download PDF link annotation
- http://ewtch.com/upload/files/zujojowawepu.pdfIn PDF document text
- http://jogagongu.pl/userfiles/file/namefafogesavesafenago.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/gizilopuvubipaxe.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/96117744937.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/viravurawovipebopezo.pdfIn PDF document text
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/92104232497.pdfIn PDF document text
- https://shinaltd.ru/images/file/40870329664.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/veboxavegere.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/duxitepivo.pdfIn PDF document text
- http://joyerialaplaza.com/ckfinder/userfiles/files/zorirerotijifogumafunezox.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/75554087946.pdfIn PDF document text
- http://vanhacollection.com/images/files/jegalelixetuwetomuduvod.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/fekukesutibedomuba.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612f116ccb63c---wibedotigusetuwepolebaj.pdfIn PDF document text
- http://maybomnuocdanang.com/uploads/image/files/bowodubimosizi.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/29843134065.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/popexituzoxoberobitijokix.pdfIn PDF document text
- http://em-mould.com/ckfinder/userfiles/files/kanobaborezowivasasefu.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/e5d2ec2839cadee446bee39eb5614cef/verutufudufojesugufum.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613248592c91b---98947043090.pdfIn PDF document text
- http://hodoan.net/userfiles/file/bamugipumeli.pdfIn PDF document text
- https://sieuthimaycafe.vn/uploads/file/23983626391.pdfIn PDF document text
- http://esipro.be/userfiles/file/2999290316.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/63296421626.pdfIn PDF document text
- http://e-park.es/img/uploads/files/72320034300.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/57110312726.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_off0000ec9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9B | 10752 bytes |
SHA-256: fb7184e442f67dafaaaac50e63ed80a27256e5b451b69b547077d086e790586a |
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font_01_sfnt_off00010559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10559 | 19064 bytes |
SHA-256: 19bed9f02fe95b6d414fc6ff3dc7988c79c2498ab7c955aeb5acfa6baba25b5b |
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font_02_sfnt_off00013697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13697 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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