MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://apc-algercentre.dz/ckfinder/userfiles/files/58756519389.pdf In PDF document text
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/90903854388.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/wabojawakebimivam.pdfIn PDF document text
- http://atomleasing.ru/media/File/79461768851.pdfIn PDF document text
- http://vet-arrighicolangelicristilli.eu/userfiles/files/42334115243.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/tiluxozuf.pdfIn PDF document text
- http://jmdfhjl.com/fckeditor/userimages/file/29422157108.pdfIn PDF document text
- http://www.ez4parcel.net/upfile/files/2021/09/08/miwiniguxefosexowodud.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16140e9d749329---25248927783.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/10572854447.pdfIn PDF document text
- http://insei.eu/userfiles/files/mejoxuwefexexutiwivaf.pdfIn PDF document text
- http://ganteltechnology.com/system/userfiles/file/laramupinajutuxefiv.pdfIn PDF document text
- http://premo.at/userfiles/file/laluwituvavigaregagitoku.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/63044450039.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/d4675604ef153ae8ae9f04543db5f144/71201073488.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/21091214440902481578hev.pdfIn PDF document text
- http://cuacongtudongbinhduong.com/upload/files/65687207562.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/6153741151.pdfIn PDF document text
- http://sial.pl/galeria/file/mafojowabarisoke.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/pomeradotabixizinokudep.pdfIn PDF document text
- http://haai.org/upload/file/beraride.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/tedigajegadejujege.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b2858a212---359004087.pdfIn PDF document text
- https://qualitygums.com/userfiles/file/32958578599.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/15405591978.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/14082819699.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mampintsha+new+albumPDF 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_off0000dfaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAF | 10616 bytes |
SHA-256: 92834656629a7641be1051ab83a412a0ad2dfcac7a3df7b296f37a6cebf44575 |
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font_01_sfnt_off0000f78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78D | 17732 bytes |
SHA-256: 64ee26e34e0504a5384e48270958475923568a8e78acb4baa0ed42ca5cb0c2a7 |
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font_02_sfnt_off0001258d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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