MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely a phishing or trojan delivery mechanism. No scripts were extracted, but the structure and URL patterns are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://forter.vn/hinhanh/file/30237743765.pdf In PDF document text
- http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/88755392773.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b8289ca0c---43919095419.pdfIn PDF document text
- https://dom4m.lv/userfiles/files/nojarajebinotaxekube.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/jnp3u7udm63t7s6kmrnl32itne/38086223549.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-4/20210904083023440920.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/63480394134.pdfIn PDF document text
- https://cafesca.info/ckfinder/userfiles/files/wefizagusujug.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/56553335273.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132692452c10---67651318720.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/fugenuluzazikevepik.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/refatulasimil.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/2656396495.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/pagolomituditinel.pdfIn PDF document text
- http://shriadinathbank.com/uploads/nelob.pdfIn PDF document text
- http://draftingfloorplan.com/ckfinder/userfiles/files/89374552857.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b87b62c64---wididabibilokuxozip.pdfIn PDF document text
- https://mimpiindah1.com/contents/files/bamokigudibivej.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/ludupilomolugo.pdfIn PDF document text
- http://budropol.de/Upload/file/deraf.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/wosikos.pdfIn PDF document text
- https://dichvuketoanvn.org/uploads/files/54905489464.pdfIn PDF document text
- https://grupa-energia.pl/attachments/file/13712360988.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=coc+mod+apk+unlimitedPDF 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_off0000c5f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE02 | 15900 bytes |
SHA-256: f3c4196a08bfe73fe9451e60be495a060daac686dd7b27208f1d59b7b856582d |
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font_02_sfnt_off00010679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10679 | 10632 bytes |
SHA-256: 467438087bbcad28150480157c14ca8ce3fc45fc6f69743bd2a168ed404a766b |
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