MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to direct users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://queure.ru/uplcv?utm_term=enable+usb+debugging+via+recovery PDF link annotation
- http://romengo.com/ckfinder/userfiles/files/98919640747.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/gixofibologozojuwakex.pdfIn PDF document text
- http://esipro.fr/userfiles/file/44236920278.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/15718871018.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/pipufegudu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc0773e6a6---45652088293.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67412045242.pdfIn PDF document text
- http://abwwilson.com/uploads/files/mubiwafofezeze.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/51204871941.pdfIn PDF document text
- https://dacola.com/upload/files/22883527943.pdfIn PDF document text
- http://okudshava.ru/userfiles/file/29410082327.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c62c21c56---56923532067.pdfIn PDF document text
- http://www.neoneofitou.com/ckfinder/userfiles/files/12694566242.pdfIn PDF document text
- http://isotope3.pm-ural.com/uploads/files/rilamifevavejefip.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/3f0b086b717ee936c049778eef278d9c/52757841747.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/15157419634.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/28209795551.pdfIn PDF document text
- http://ktcz.eu/files/files/14326421821.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/lirulozulatewamagovo.pdfIn PDF document text
- https://combrooncom.com/contents/files/wugojufukuwek.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/55830034531.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_off0000d661.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD661 | 17500 bytes |
SHA-256: 5c3944c1635c1296a27d9e045f7abeb6bd295524d4fa6b11c2157ce21efe2b35 |
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font_01_sfnt_off000103bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD2 | 10852 bytes |
SHA-256: f62145965ae1e35d6c9e35473f395448bff2c718d4118a1dade11d3e15acadc4 |
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