MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure indicate an attempt to distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://printsolutions.ro/uploads/wysiwyg/files/xujivemotimudifiwetuw.pdf In PDF document text
- https://ivantomanov.com/userfiles/file/49407910953.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/71364612828.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/junolarupik.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/2734829220.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/92903718912.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/43982737654.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/82025917061.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/zekotadusujisu.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161443fd1bdd3a---97623020732.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/gofilowavudixivododa.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a42238b4fb---bagufi.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/84178171284.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/19682853502.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/tekexizuvabapokagisarixeg.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/81644380738.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d4d5be139---44334887665.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/gixujinedejorip.pdfIn PDF document text
- http://www.leposeur.fr/site/upload/ckfinder/files/31507306227.pdfIn PDF document text
- http://hacoauto.vn/upload/files/posajikuvedepidiwotak.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/pexavureris.pdfIn PDF document text
- https://smsenerji.com/resimler/files/30500677061.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210919_84B6FD618D48821E.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=ipad+air+2+16gb+price+in+pakistanPDF link annotation
- 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_off00010636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10636 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E48 | 19208 bytes |
SHA-256: 3c5e8f134674dbeb48bf86b90614b866bb4cd9cb8b3906ff79aeea02617a546d |
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font_02_sfnt_off000150f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150F6 | 11044 bytes |
SHA-256: e5a03d58de69157a24c35424d424d660663b28be157997f71df6c2116367949d |
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