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 or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external content. ClamAV and ML classifiers strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/garokuzepabikirubi.pdf In PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161564400466a6---79756632308.pdfIn PDF document text
- http://allaboutdowney.com/userimages/10686029278.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/fupodilopikuzepamakepixed.pdfIn PDF document text
- https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/kaleko.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/76084184769.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c8c525f27b---68122298523.pdfIn PDF document text
- http://nensi.si/upload/file/pazilefirowojiboka.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/77875736353.pdfIn PDF document text
- http://okudshava.ru/userfiles/file/17325639479.pdfIn PDF document text
- http://guide-eq.com/userfiles/file/20210921215133_280vjg.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/kofezusib.pdfIn PDF document text
- http://elektromig.pl/userfiles/file/647101602.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/d5bf1d6fb0669c4d5a34c84b1e475591/towimakofozusitafuxuvi.pdfIn PDF document text
- http://thietkewebbacninh.com/webroot/img/files/57137619621.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/25561003782.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/xoresazoralimozo.pdfIn PDF document text
- http://evola.it/userfiles/files/goxevevejom.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/49112c44b5bb6d781b19840e0277db30/13000026466.pdfIn PDF document text
- https://partnyor.az/userfiles/file/62007582279.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles/files/xedivedobakulefuvolikatun.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/72824150401.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/341d9a751864937bdfde9e5074b5d143/jurifalizinex.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=one+time+tokenPDF 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_off0000bb1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB1E | 16840 bytes |
SHA-256: 34838cc7322a73d9fbf97334361029222ba3d19e440bad0be79007b87e0d84c2 |
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font_01_sfnt_off0000e64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE61 | 9912 bytes |
SHA-256: c2b323dff297493f68ad56735f93b8a95e08ef3d24442ebc406e9a0fa63391d9 |
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