MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://bjdfszwy.com/filespath/files/20210908155412.pdf In PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210911225547_583433975.pdfIn PDF document text
- http://lecostationery.com/files/file/32672034033.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/fowakagob.pdfIn PDF document text
- https://widerbet.pl/userfiles/file/24373925894.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109120232071536.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fefe46d8f9---fodizaxofegazifirajerox.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/renigadeze.pdfIn PDF document text
- http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/72020338060.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/zedugo.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/dagolex.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138391c284b5---31216162251.pdfIn PDF document text
- http://ux-school.ru/files/files/dejiwo.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/88496759249.pdfIn PDF document text
- http://iwayman.com/uploadfiles/file/2109031750065320541lx0ln.pdfIn PDF document text
- http://yongqingtech.com/d/files/wixetozekerefijiredo.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/77686193697.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/tojajevujibipanit.pdfIn PDF document text
- https://xehowo24h.com/images/ckeditor/files/tadujejoxegujirunewuwuwo.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381bfed82c9---18566989548.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210914_E30C187F050F4E19.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=top+trending+games+2020+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB787 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF99 | 17280 bytes |
SHA-256: 3e47aeb59bcde3eda159422532140f030ffc53c8a5dcef7ec95807e5826534df |
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font_02_sfnt_off0000fc6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6C | 10892 bytes |
SHA-256: 89e187a331e622eb23852b23336639abd24de7d27efa6fb25eac10600ca5bda4 |
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