MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious campaign, likely involving redirection to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://oniceh.ru/uplcv?utm_term=appvn+ios+version PDF link annotation
- http://christ-china.com/filespath/files/20210909081618.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e59ed31686---49650115419.pdfIn PDF document text
- https://ms1oke.com/contents/files/nuzepikuvuma.pdfIn PDF document text
- http://women-for-marriage.com/ckfinder/userfiles/files/6557057361.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/85184663159.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131820684c7b---firimolopivufupupijo.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210907031148.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/65812493731.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/68a2cac5301a1ce7810bc2620602d67a/89523022507.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/wajedas.pdfIn PDF document text
- https://barrierball.cl/ckfinder/userfiles/files/zatajoxurijufa.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/97099591193.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/nuzovudivovubi.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/gufitegumezivozagukuno.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/82996897739.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/23331301733.pdfIn PDF document text
- http://agecarekorea.com/ckupload/files/nisavazivev.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/tirunibizuduv.pdfIn PDF document text
- https://thegmsbihta.in/userfiles/file/devebofedojajonutalipotef.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/76470040418.pdfIn PDF document text
- http://e-instar.com/userfiles/file/40813569617.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/51491185418.pdfIn PDF document text
- http://cpk.by/ckfinder/userfiles/files/75538724156.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210910181926.pdfIn PDF document text
- 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_off0000d9e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E0 | 9984 bytes |
SHA-256: 76ed43ba5878a4892213c9b89a31fdbe204c1b22963fa99801e43cfdffdbb8de |
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font_01_sfnt_off0000f02b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 16716 bytes |
SHA-256: 7c30a8af5d9adbb29d212cbefe268a13095b0e3f7217a2ea1608efb09d3a9dd1 |
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