MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm pointing to various PDF files hosted on potentially compromised websites, suggesting a phishing or malware distribution attempt. The presence of multiple external URIs and link farms indicates an effort to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://rajakeempat.com/contents/files/84900672952.pdf In PDF document text
- http://podarox.ru/public/files/lelawusafujudazane.pdfIn PDF document text
- https://wrd13.com/force/file/92393414256.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed87b90c09---51349095920.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613945e3ca1e6---vuwet.pdfIn PDF document text
- https://handientu.vn/userfiles/file/92662204743.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/b27469554b690ed14205dd642218c0c0/54589324305.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/wusekufaxu.pdfIn PDF document text
- http://cwpni.com/userData/ebizro_board/file/xoxibuwa.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/memavumuvekozudiw.pdfIn PDF document text
- https://huuphongplastic.vn/uploads/images/files/gikifepodak.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/79844272864.pdfIn PDF document text
- https://nacionalequipamentos.com/ckeditor/uploads/files/53215944415.pdfIn PDF document text
- http://comitatoamiantovelodromo.org/userfiles/file/17286493842.pdfIn PDF document text
- https://gegeny.hu/uploads/file/33438267142.pdfIn PDF document text
- http://teewer.mn/ckfinder/userfiles/files/pevebatusapixepawal.pdfIn PDF document text
- http://pp-aqua.com/userfiles/files/36329854005.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=receive+free+sms+australiaPDF 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_off0000b5ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5FF | 10484 bytes |
SHA-256: 5bcef9b2b9eca35e6989e687af8caf2cc00f7a01bd755f171c362bbf1926aff2 |
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font_01_sfnt_off0000cde3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE3 | 17716 bytes |
SHA-256: 86111b1e22edd42959d0164673bb7e2ae15d51cdb031f5c8b57183d142a0167c |
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font_02_sfnt_off0000fc4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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