MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, with several pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, limiting the analysis of specific execution techniques.
Machine Learning
- Nyx PDF Classifier malicious score 0.9889
Heuristics 5
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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://lindendirect.com/tempimg/file/xuvemofowuberuwemegid.pdf In PDF document text
- http://yotlist.com/uniformkontakt/userfiles/image/files/99902209802.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/kedusenurulirodabapubufa.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/9172502107.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/wogometinojevuvofup.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614451dc83e88---71079378790.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5k6sjfgn4mt002701vvukhtph/zakenirif.pdfIn PDF document text
- http://www.ciesol.es/ckfinder/userfiles/files/tuseravuxigapojuxer.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/pisukisurizudugefije.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/65336998211.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/vegak.pdfIn PDF document text
- http://www.s4b.nl/upload/files/xuxurubewujitavowe.pdfIn PDF document text
- https://signika.pl/Upload/file/fivevaxala.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/lm58an6g7l7aipdpo6fmfl7dnq/62360114430.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/bunozimagiwota.pdfIn PDF document text
- http://erpos.sk/data/files/dumemu.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/tokafutasetexe.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109060054111774.pdfIn PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/mobaremopoxorukika.pdfIn PDF document text
- https://granitnet.hu/editor_up/dumaditej.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/uvr2o08js44duir0ckhupp0a4n/litowomajaz.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/34349169947.pdfIn PDF document text
- http://wajl.net/img/file/2021914175927.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/bfb9e7dda02596decb9f28eed0ae8459/75216939549.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/bexotatusewiw.pdfIn PDF document text
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/43055367696.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/80742667246.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=free+locker+codes+for+vcPDF 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_off00011315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11315 | 10148 bytes |
SHA-256: a67238928301da1ea7d5cf959e086f8a04cc6be33c9d2241fff20cbbfd264505 |
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font_01_sfnt_off000129e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E0 | 17632 bytes |
SHA-256: 1fd9abf38d2ead814c5a6b7d95e41275c75f598752152b52d03c6e2cddae6a83 |
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font_02_sfnt_off00015616.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15616 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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