MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate the file's purpose is to redirect users to potentially harmful external sites.
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 https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/d2f023447305a74d9ac35098ef063d1e/62734270691.pdf In PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a8c309336---gifewit.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/tofevaminaj.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/pawasetaxo.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/jevudurisu.pdfIn PDF document text
- https://jagominum.com/contents/files/dubexegorususilikukegu.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/97350458050.pdfIn PDF document text
- http://teamhead.net/userfiles/file/visaxipujivaxofixe.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/wizesopezotafino.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/35425797981.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/98669884237.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/86949640646.pdfIn PDF document text
- https://ecoolteh.eu/galeria/file/disaxogonijupotif.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/44086033246.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/11458399659.pdfIn PDF document text
- http://mayepnuocmia.vn/data/ckfinder/files/jaduvabozizilukixa.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/86176466663.pdfIn PDF document text
- http://springgalleryng.com/Images_upload/files/68567574801.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133305965723---37434187271.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/80431461285.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/97255723831.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/21793946851.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/gopemosuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=d%26d+3.5+heroes+of+horrorPDF link annotation
- https://tes-sys.com/uploads/ckfinder/files/20210908/16310630817517.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_off0000bbc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBC3 | 21124 bytes |
SHA-256: 83d9deff4f8626e9bdf545bf75f41e858b4a1381c79e2c011a8952abc0f321d9 |
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font_01_sfnt_off0000f29a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB0 | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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