MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress upload directories and disposable hosting sites. The embedded URLs suggest a phishing or malware distribution scheme, likely delivered as a spearphishing attachment.
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 http://studioguatta.it/userfiles/files/ralorikif.pdf In PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/sbem66du6gi99vv02ohr9956si/30588639455.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/4948327278.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/jutonogezarunazakolo.pdfIn PDF document text
- http://appli-veolia.net/ckfinder/userfiles/files/56907112633.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd8176df78---83373705511.pdfIn PDF document text
- http://fxlcd.com/upload/file/xubevu.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/boxuselijonizugajuvilan.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/55507029283.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbd498c6ba---21046643086.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613648d1680d4---73627786395.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613404e0e109d---97910319430.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/47300310458.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613082cc4b8a9---nimoxavejovafimixaso.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f58357913f---wepupuxazaguwotag.pdfIn PDF document text
- https://woft-dining.com/webroot/editor-uploads/files/laxugan.pdfIn PDF document text
- http://japanbizkorea.com/userData/ebizro_board/file/livetimezazixosudanuvido.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/79937614706.pdfIn PDF document text
- http://seoulgreeter.com/userData/board/file/lirawera.pdfIn PDF document text
- https://jungleflightchiangmai.jungle-flight.com/Uploads/files/tamasafevosezoxenow.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/91860310497.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/gijitorevuzo.pdfIn PDF document text
- https://tadimtursu.com/image/files/46590077809.pdfIn PDF document text
- https://nasco-ye.com/uploads/file/8721427370.pdfIn PDF document text
- http://scarpatti.com/files/46099314077.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/90036050903.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=quotes+that+would+make+you+cryPDF 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_off0000d4ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CA | 10892 bytes |
SHA-256: 06d5633a20544421f4382e868194f511300981911d35292f898fd973134d8b37 |
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font_01_sfnt_off0000ee3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10651 | 18176 bytes |
SHA-256: 1825aeaf3e32d423da7728fe86667752fc78571dcb2731597c3710a955820694 |
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