MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous URLs were extracted, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, indicating the PDF's primary function is to lead users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 https://philabc.ru/uplcv?utm_term=spiderman+ps4+download+android PDF link annotation
- http://margheritango.it/userfiles/file/netilusolemupopiwumisufol.pdfIn PDF document text
- http://cascad-trans.ru/files/firat.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/razoxodonamaresifejeke.pdfIn PDF document text
- http://enricobarraco.com/files/pivevawepiradix.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/7cccm5pvn7mi9200k4er8js5s1/10932280855.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/xizurej.pdfIn PDF document text
- http://bkht.vn/userfiles/file/92296824194.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/95826240408.pdfIn PDF document text
- http://pttaccounting.com/userfiles/files/tixulolave.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161413a8c80847---2993395515.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/d0ec6e11635208ba576532c9039f3429/bimigav.pdfIn PDF document text
- https://sainaudit.mn/File/63782656114.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f564875e97---luxabodimajowezun.pdfIn PDF document text
- http://moristas.com/userfiles/files/gaxulalovomesukok.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161394104c5026---tajugasefosur.pdfIn PDF document text
- https://aymfly.com/aym_image/files/magisemun.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/nivokejodovugafugumi.pdfIn PDF document text
- https://feldmann.pl/userfiles/file/diraloz.pdfIn PDF document text
- http://hadt.vn/upload/files/venaro.pdfIn PDF document text
- http://bige.vn/uploads/userfiles/file/mefij.pdfIn PDF document text
- http://thefarmatarapahoecounty.com/userimages/dosigepibazifivutodasuv.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210918041744_897xuh.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_off0000e0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C0 | 10696 bytes |
SHA-256: c9bb5952dd7aac4548ec43096eba1222884e4162f5eed7231ec04ba08c8ef829 |
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font_01_sfnt_off0000f946.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF946 | 18980 bytes |
SHA-256: f9778af81d55576c336990459cbe3753208260183ce5309a8a8bdc2aaa278047 |
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font_02_sfnt_off00012a06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A06 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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