MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristics and URLs strongly indicate a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://amuseonline.com/absite/userfiles/file/94811569353.pdf In PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608612d4c27cf---16597145878.pdfIn PDF document text
- https://1877painters.com/FCKeditor/file/92315763904.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/dc93d4ab9e6ea1366c35487b0b47f6fe/depipanisupubilukab.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/291f5c51beaefe8e3e505b666e87c037/36455850724.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a64bf67ab7a---xuwusaroz.pdfIn PDF document text
- https://www.geo-decouverte.com/ck/ckfinder/userfiles/files/14323794362.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/10af5fbba1ac52879721e3eb635dfef7/nogeriwi.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/74799998794.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/mozoxivirisevu.pdfIn PDF document text
- https://clickkedai.com/userfiles/file/velorevuputagif.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076754db6e57---pigumafisuvaka.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/finabaxiledovikofewotibu.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/gukulovuditik.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210513044210122.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/k1abj15072o95b5oo6r61pukfm/85984839680.pdfIn PDF document text
- https://www.winsum.frl/ckfinder/userfiles/files/273258466.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/buzidedusokupemanal.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/f01cuucmpu4bs2eoe7nv560kb2/dasigapuxojajepusulusuzi.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/bf6662941e32a171dd0509ba674f599a/rosodovabaxopevi.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16080e969c1172---todezabulujibudu.pdfIn PDF document text
- https://sanipacific.com/attachment/file/55744203215.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d205e0cc7b7---lirekisetigiz.pdfIn PDF document text
- http://scbczy.cn/up_files/file/20210716_155749.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=dragon+city+mod+apk+unlimited+money+and+gems+2020+an1PDF 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_off0000e9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DC | 11456 bytes |
SHA-256: ca2295d00a6fff7156591c609b836f5141551905b43ef5362a4280738e1be9a2 |
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font_01_sfnt_off000104d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ce9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE9 | 17056 bytes |
SHA-256: 8c0e66da547e23b0bc7be3350a28dc47f45bde0dd767a395dea059f46662bf2d |
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