MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics as containing a link farm pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs, while numerous, do not appear to directly host malicious content but rather redirect to other sites, suggesting a phishing or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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 https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/45594717496.pdf In PDF document text
- https://eurouniversal.eu/ckfinder/userfiles/files/nuvosilawenefutazapen.pdfIn PDF document text
- https://alwillislifecenter.org/ckfinder/userfiles/files/68096548527.pdfIn PDF document text
- https://ewt.cz/res/file/28137933604.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/jagofikawojizemonun.pdfIn PDF document text
- http://orkoien.com/userfiles/files/69256079249.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/96111409712.pdfIn PDF document text
- https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/130704424.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/nuzumonazidivulesogixuwi.pdfIn PDF document text
- http://www.sudaff.com/pics/file/jamazujuzu.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/vixukuf.pdfIn PDF document text
- http://ukrfirework.com/images/file/13208118279.pdfIn PDF document text
- https://keluargamimpi.com/contents/files/90527144390.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/7306922080.pdfIn PDF document text
- http://fitviewer.com/files/file/98545074723.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/35836660280.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff5f5cf6ae---22544488092.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/tivimipubovomebefevoji.pdfIn PDF document text
- http://efeotokiralama.com/Upload/file/54786793176.pdfIn PDF document text
- http://roocenter.ru/upload/file/21020734048.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/32162816377.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/3ef0b1445468497ebea6069107dd5b9f/3736463240.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/relagozera.pdfIn PDF document text
- http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/75809549903.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7788232ab608efed79d3c664ae86b590/5252493037.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+remove+phone+number+from+instagram+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e80d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80D | 17620 bytes |
SHA-256: 355d99e8c33ec4bd750eb2e8c8caad31e9123941379a30a014c7030842bdaf15 |
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font_01_sfnt_off00011617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11617 | 17192 bytes |
SHA-256: 736bad5b1f990d62aed4ecf6620ce51020afb900679dca4ee8c145c7c85029fb |
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font_02_sfnt_off00012f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00014755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14755 | 11280 bytes |
SHA-256: eec4b01e0d16cf6a46334c794dbd16e1625d1d2e1cae85511c5f3be43a97426c |
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