MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. Numerous heuristics identified the document as a link farm, pointing to compromised CMS uploads and disposable hosting. These links likely serve as lures to phishing sites or malware downloaders.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://fu-xin.tw/uploads/files/202109030452071743.pdf In PDF document text
- https://arerp.kr/data/file///dawaxuduxezojigawabap.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/45045276479.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/jukebiwizobafekupujetil.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614252702d402---6190979899.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/92127675465.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/tufutuxetadidunetari.pdfIn PDF document text
- http://upnbkk.com/file_media/file_image/file/dimoxejera.pdfIn PDF document text
- http://xn----8sbkebltdkywd.xn--p1ai/ckfinder/userfiles/files/kubexugalub.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/aa7f77df6520e10c6aef6377d2a0cb57/73199333872.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/bisoretotojekijora.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/73296616214.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/mezap.pdfIn PDF document text
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72209362951.pdfIn PDF document text
- https://hgb.se/filer/file/97792108737.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/86567039027.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/bemakebalamafojunujog.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf63ee4f8c---gefim.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/madoropiguwodafuviwele.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/jokinigiga.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/46502392564.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/86534065114.pdfIn PDF document text
- http://kccmaul.com/files/files/10404644440.pdfIn PDF document text
- http://abwrva.com/uploads/files/nifosokemiwotuburolesuroj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=passion+play+2010+full+movie+123moviesPDF 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_off0000cc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC6E | 18268 bytes |
SHA-256: 06bf756557b9b6f32c53356fc030b39a1990d1fe356a92a4c6ebd931c214b3d2 |
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font_01_sfnt_off0000fc48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC48 | 11068 bytes |
SHA-256: 3a331eda5fd2d94e48557fa215750cccd160116256aa434f5863cb0a03701d5e |
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font_02_sfnt_off0001162e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1162E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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