MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF 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, directing users to compromised WordPress upload storage and other disposable hosting sites. These links often contain terms related to software downloads, suggesting a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b32e88c282---wasaruletifijufakewofubal.pdf In PDF document text
- https://vannordenvastgoed.nl/userfiles/file/jibej.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b240b6e0fc3---5906832069.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/jusobakonowikakiwoje.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ccb6cf565---fusixax.pdfIn PDF document text
- http://kondicionery-domodedovo.ru/upload_picture/file/siwuvorotifirutiresox.pdfIn PDF document text
- https://guruamardaspublicschool.com/userfiles/files/vutusalap.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/9n8gd76s9ii98cj7bnn9cbmeda/47248235301.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c8d5e612e0c456b218c6de7231881d32/70664739525.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/lodawer.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/fopiwapumuxulakuz.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/tilevimufigavixosakobajiv.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/72080624363.pdfIn PDF document text
- http://englandmatchshirts.com/assets/file/59843860127.pdfIn PDF document text
- https://altonika.pro/files/fck/file/rubudenasaku.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/voguzawulijazonoli.pdfIn PDF document text
- https://tasleemdubai.com/userfiles/files/279012135.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/043ace146fa97df05c10c07f791e1477/mopekegamimikogufipux.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tazabowokuzos.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=download+amazon+prime+video+apk+for+vu+tvPDF link annotation
- https://www.thc.gda.pl/ckfinder/userfiles/files/86366895558.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_off0000c8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8FA | 14432 bytes |
SHA-256: fd72cf1f3400a358f010b3c0b5903fcc879db440b18ba6395a77ba571129863e |
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font_01_sfnt_off0000ed6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6C | 10896 bytes |
SHA-256: e799ad2d09549104b8ef94862c7a3f8b5974275ab538a6e5af505c7105fe1b8c |
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font_02_sfnt_off000106a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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