MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains phishing or trojan content. It functions as a link farm, directing users to multiple compromised websites, including WordPress upload directories, which is a common tactic for distributing malware or conducting phishing campaigns. The presence of numerous external URIs and link farm heuristics strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://greenways.at/userfiles/file/28267254115.pdf In PDF document text
- http://acutecardio.ru/sadm_files/67284921097.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/anknn6fa4pfa7709dbk1b1dlnd/jiwotuluwivapolib.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9471f43846---bovavunit.pdfIn PDF document text
- https://terrach.ch/file/wexure.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/gsilacso1r78nfuujr7lsmhqf4/xulidanikobuwa.pdfIn PDF document text
- https://burlingame.com/wysiwygfiles/file/bufusiguropobavo.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/94cb708bb4d089d53725bdf865e753c7/80297826277.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/dujovuwafa.pdfIn PDF document text
- http://massageindex.nl/images/uploads/60192343441.pdfIn PDF document text
- https://ferest.ro/imagini_ws/mifirewoka.pdfIn PDF document text
- http://revize-elektro.info/UserFiles/File/10655213818.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/8a161a2a1dad72362d4023e6a7dbedea/xemowububebotepokun.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/96dd5e8e6e572760a3d91d568e5dd1f8/bopanikop.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/4ae252d7e2dfcb54d83759ed7a481a34/52044367765.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/38189318764.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/18006556661.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833910ae1c9---99777336742.pdfIn PDF document text
- http://namngonviet.vn/user-/files/38096020238.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/57575823888.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/76235328077.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/33092887041.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/357edc1478f27e15e8e94808b0d046fd/16376669128.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=lecroy+ap015+user+manualPDF 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_off0000e4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E1 | 18172 bytes |
SHA-256: d0c0d9b916b114cfdf0ce75ad1fa729b74dc557501559b74941828110d9b26f4 |
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font_01_sfnt_off00011401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11401 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C18 | 10824 bytes |
SHA-256: f1db83257c8d2acb93bc6b2b0b530fc99764b366523776e7fe367086bfd29e4e |
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