MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The embedded URLs and the nature of the heuristics strongly suggest a phishing or SEO poisoning attack pattern designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://tivatijapan.com/uploads/userfiles/file/98876476810.pdf In PDF document text
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/72468462554.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/8vndckldfbppgbvljth9cgdfi6/45024586522.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/mexowodejuzanexomezu.pdfIn PDF document text
- https://shopinhome.com/ci/userfiles/files/kibosajori.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/xuwosadazupimi.pdfIn PDF document text
- https://decoveinvestment.com/userfiles/file/kefanuxetobupenibematid.pdfIn PDF document text
- https://realxenon.ru/uploads/files/vijiri.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/juxufikoxesuguraxetovipeg.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8fbc985ac---sagalobenabuwixizakotut.pdfIn PDF document text
- http://lineshare.net/upload/files/20210703070824.pdfIn PDF document text
- http://fge-service.com/userfiles/file/73320794746.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/selifewimavukoduf.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/21f24022e939cb7783b4781041cdacc8/44789168478.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/7edna0alost71i97lvt88o4d3o/19492220363.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609817822d390---punitoranarepukiva.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/63351436395.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b6be661ad---boxeragew.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160924b31e9dcb---67464474639.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/xerokovomesewejibaxok.pdfIn PDF document text
- http://antonioruizabogados.es/userfiles/file/86703472850.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/jisutorevifukikilo.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160beb05ed19a9---30592753751.pdfIn PDF document text
- http://thienlongadv.com/upload/files/18681209346.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/cjdkrdfp7ac0be1lh1eun42vib/48491957130.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+an+ssr+force+summon+ticketPDF 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_off0000db44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35B | 10904 bytes |
SHA-256: a80d39d5cf9a732d1c7de86ba95b79ec9f41e88427da7b92ed049d071fc0e3ee |
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font_02_sfnt_off00010ca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA5 | 18656 bytes |
SHA-256: 1303b771ac0c332dcc32ae207bed8caea7a5aa8378e3a3b2603d174167747e03 |
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