MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many pointing to disposable domains and acting as a link farm, suggests a phishing or redirection scheme. The embedded URLs likely lead to further stages of the attack, such as credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 5
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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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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://infrive.ru/uplcv?utm_term=what+will+happen+when+you+reset+your+phone PDF link annotation
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/jokizanepiguno.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130080b06c7b---8268086449.pdfIn PDF document text
- https://kamarkosong.com/contents/files/zuwifamesojas.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/nakoliwamaro.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/16224601918.pdfIn PDF document text
- http://builderall.info/userfiles/file/bejepasujo.pdfIn PDF document text
- http://emeraldcovepartners.com/_data/images/file/rasevitudobadusivexeziv.pdfIn PDF document text
- http://xn--4k0b43gkwo4gn.com/upload/editor/file/kuwavesaz.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/gonovikiritalino.pdfIn PDF document text
- http://akiisushi.com/uploads/files/sepofevuxif.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/vewenebimevisuvusopud.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/gemajabudujixa.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/zokinalabiselironuli.pdfIn PDF document text
- http://evohome.pl/userfiles/file/tilidubaxufaxaz.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/5001769277.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d27788d238---noxijoxodilajoga.pdfIn PDF document text
- https://rcot.org/userfiles/file/47582293545.pdfIn PDF document text
- http://kftchem.com/upload/files/25984570779.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/tekop.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/fuvuxozupitejalegolopovo.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/56301760241.pdfIn PDF document text
- https://safetyhanoi.com/userfiles/file/93093373369.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/91840835655.pdfIn PDF document text
- http://mallncart.com/userfiles/files/60168238902.pdfIn PDF document text
- http://www.iciparis.ru/ckfinder/userfiles/files/fitazu.pdfIn PDF document text
- https://clubon.top/uploads/files/44090961950.pdfIn PDF document text
- http://webinaris.net/ckfinder/userfiles/publics/files/befezufijesusebixaf.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_off0000d9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AA | 10640 bytes |
SHA-256: 9203c34105839e14a1c0033ef97dd78b4fda5d6f679deb8b4501299dcb44085e |
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font_01_sfnt_off0000f20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1E | 18124 bytes |
SHA-256: c9dc84d5fff14b0bd7eb9148dbcc0630765d18357d7dad7b7cae0ac315aa85de |
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