MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of a 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and a 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristic strongly suggests malicious intent, likely for phishing or distributing further malware. ClamAV also detected this file as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9962
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://keyword-lda.pt/site/upload/file/jojojapurovalexadopifab.pdf In PDF document text
- http://solarissoft.com/img/userfiles/files/nuruwebapa.pdfIn PDF document text
- http://ikcem.org/userfiles/file///22022518650.pdfIn PDF document text
- http://skia22.ru/pic/file/66437713629.pdfIn PDF document text
- https://bleikss.com/userfiles/file/45969714700.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/wemaxobovoxevami.pdfIn PDF document text
- http://ozgu-yapi.com/firma/files/rugeroketekexikele.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/96629838946.pdfIn PDF document text
- http://weorderfood.com/uploads/files/xadir.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5ae6d401b---figizegubajik.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614913310262a---makufomabesebudi.pdfIn PDF document text
- http://artc-polymers.com/upload/images/files/rijunidizez.pdfIn PDF document text
- https://greassi.com/editor_upload/file/zerekigu.pdfIn PDF document text
- http://energywork.pl/userfiles/file/9288799828.pdfIn PDF document text
- https://monyetmesum.com/contents/files/sedamumil.pdfIn PDF document text
- http://thomas-zigon.de/images/file/jofoxenolonovud.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/75432782322.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/61331681838.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///wefigebudaju.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1614839137235d---50657934791.pdfIn PDF document text
- http://npas.ru/pic/file/nesujofo.pdfIn PDF document text
- https://southafricapools.com/contents/files/vadib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=soundcorset+tuner+%26+metronomePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB292 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000caa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA3 | 16920 bytes |
SHA-256: b3c462f70becf758b74790427ce88f98d309c5d3d9f6c04c47214bd3253e6206 |
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font_02_sfnt_off0000e32a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32A | 10240 bytes |
SHA-256: 5c5bf61bfe44938fe645a56b15abd6b13dfcfbc3c630328049e780c0216c77a4 |
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font_03_sfnt_off0000fa4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4C | 15464 bytes |
SHA-256: d08f2ee8c653d42e6509c20e139318d00581377b36bad1480a15572c0e4d35cb |
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