MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file detected as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to potentially compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://inbond-cn.com/userfiles/file/84001563248.pdf In PDF document text
- http://veterinariomauracotti.it/userfiles/files/66292451059.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ginepiruxuke.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/45022952492.pdfIn PDF document text
- http://gdlianyu.com/uploadfiles/file/64985109333.pdfIn PDF document text
- http://bronnicy.inhome360.ru/admin/ckfinder/userfiles/files/doxebejubolajelinuvi.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210908044925620.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/lixopiraferasuwo.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/vetobixikukekes.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/wagakipopotamobewiz.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cb8b47ff8ac7862af9825939de3e2847/85203351626.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/6158be624bcefa3ad34a00bba6473db0/12744986543.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/nifamirevutujimolupoxipuk.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/debozot.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/9014109551.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/pevido.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc4bc317de---70939123714.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384e7373f11---tuguxesejubuvuxugemiwuzu.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613640bf96dd4---rogotuveminixatutukuwo.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/5669325551.pdfPDF link annotation
- http://hferrynetworks.com/FileData/ckfinder/files/20210903_7D35575E37D77D96.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/8e76ce19fc7e810635479c6db8ef2c5b/14828198788.pdfIn PDF document text
- https://hoavily.com/uploads/files/lusaladazorupezitelinowul.pdfIn PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/vevageziporo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=free+gems+in+stick+war+legacyPDF 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_off0000e0b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B8 | 17132 bytes |
SHA-256: fe64845d11cf57947c6223ee9ae963f6c30059408e68748f75a6d01d0078a628 |
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font_01_sfnt_off00010d38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D38 | 10720 bytes |
SHA-256: d75f10c3f4c7406972de1497d49636df173db64a1f4f8b716bee8db05628c487 |
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font_02_sfnt_off000125e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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