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 reveal the document contains a link farm pointing to compromised CMS upload storage and disposable hosting, disguised with UTM parameters suggesting a lure for downloading games. The presence of multiple external URIs and the overall structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/64471894281.pdf In PDF document text
- http://shanghaiqingchen.com/upload/files/5526226472.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebfb08a65d---56106091008.pdfIn PDF document text
- https://happen.webasl.com/userfiles/file/55004060990.pdfIn PDF document text
- http://khachsandomino.com/hinhanh_fckeditor/file/kibofawizumul.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/sajemupojamutalus.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6ma977do61o8kverte8r1hd002/megisevuxuredufa.pdfIn PDF document text
- http://ckudzcssffhhj.handysociality.com/upload/files/59894903525.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/soteboxufeb.pdfIn PDF document text
- http://klemanpince.hu/files/file/17571001783.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/ee532a13eeae926a08122543b6bedb4c/weliwifebegide.pdfIn PDF document text
- https://nls.vn/upload/files/popetaxiririxatalivog.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/75377330301.pdfIn PDF document text
- http://makassitools.com/userfiles/file///90479738126.pdfIn PDF document text
- http://le-nora.com/userfiles/file/kajajofago.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/58047821314.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///terebuvorepapulageviboja.pdfIn PDF document text
- http://kanalizace-ul.cz/userfiles/file/tulum.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/wonelowomasezazerexu.pdfIn PDF document text
- https://quizai.com/uploads/files/77885250018.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/74921650071.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/sarelul.pdfIn PDF document text
- http://gotoippc.com/ckfinder/userfiles/files/75313686058.pdfIn PDF document text
- https://goez1.com/10005001208290177/ckfinder/userfiles/files/dofemijimagorofib.pdfIn PDF document text
- http://aytekinpolatel.com/image/files/27731121792.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=download+game+assassin+creed+piratesPDF 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_off0000b46c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46C | 10944 bytes |
SHA-256: 361c2c138f740f5c2ad099334fbbba2fa1ce0107899418cfa43b299c40ed0ede |
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font_01_sfnt_off0000cd9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD9B | 17052 bytes |
SHA-256: 99591ead3d1378b1ae9631c090fc41df0309c9d8c2c68a9b25722ba2cf989831 |
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font_02_sfnt_off0000f8be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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