MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to obscure the ultimate destination. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.pranabkumar.com/fckimages/file/59782859202.pdf In PDF document text
- http://3m18.com/images/editor/files/rebigozoz.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/sfi9acg32r0jn3g8kr84tjftgm/kowirenowerixerafamiwokeb.pdfIn PDF document text
- http://radiopoint.cz/userfiles/file/federewexexisezazuvurijal.pdfIn PDF document text
- http://hingliltd.com/userfiles/53753970025.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/13970949957.pdfIn PDF document text
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/zexarodesofazoxiweweg.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/piforuz.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/45cd3eeafd321ee3d4e5a96898004a49/88874675533.pdfIn PDF document text
- https://pepsima.biz/files/file/zanapateweri.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/4303404634.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/mafid.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/pusasigazimolawexavozoz.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/1uftq4hbf5g0iqmifcc0gf1gr3/nikosonovikoguzotavizu.pdfIn PDF document text
- https://o-dance.com/upload/files/zixukedewepafebikud.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/55719719513.pdfIn PDF document text
- https://www.geya99.com/ckfinder/userfiles/files/dunineb.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/34838822348.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/wafusu.pdfIn PDF document text
- https://cebubigsellers.com/userfiles/file/xaloxewosinubaweja.pdfIn PDF document text
- https://el-tall.pl/pics/file/23019043426.pdfIn PDF document text
- https://iwistw.com/upload/files/boperodesewo.pdfIn PDF document text
- http://ty-universe.com/image/files/20210916_120503.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/266b2197f88a46e17622da6260a1e20f/lufaduzuxanobamisi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=visible+light+waves+frequencyPDF 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_off0000b211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB211 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA28 | 11116 bytes |
SHA-256: dc9c9b4af42db9a13fa508d1c5aa85269e2ab6db5e54dfa53c27b39a32a12f5d |
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font_02_sfnt_off0000e3d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D8 | 15784 bytes |
SHA-256: ff9a790c97f81deb5806274feb096ce847ee7e3ae5f1dbc9b7a5a3d889c20429 |
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