MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of external URIs and the nature of the detected heuristics indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2a5595700---ximowamabuto.pdf In PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/4e1694e3ed85f40d337cec26d8646889/27770512440.pdfIn PDF document text
- https://cncunse.com/d/files/26785914622.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613529f3e74b0---puxeburomemubifufawakeb.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/wezafixuwunifibexumej.pdfIn PDF document text
- https://volnynaklad.cz/data/file/89302899377.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/41448589647.pdfIn PDF document text
- https://j26clean.com/upload/files/jutejuregimabiwe.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/90732988142.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d635f6272d---65606685546.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210911235245.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b129a38db---jevadidolotedirexovomevir.pdfIn PDF document text
- http://3qlohas.com/CKEdit/upload/files/nifujir.pdfIn PDF document text
- http://marcus-1.com/FileData/ckfinder/files/20210909_1B5D1D09FB4406CE.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/3892118488.pdfIn PDF document text
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22084055294.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/40757046498.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/30640974157.pdfIn PDF document text
- https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/jugekozoranibejajilul.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/49736945962.pdfIn PDF document text
- https://swiz.eu/files/editor/12495007231.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/5684914098.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=paid+minecraft+hacked+clientsPDF 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_off0000e666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE666 | 18072 bytes |
SHA-256: cc693e164d781c832f2588125b3e0550f4f26a6a17056c1b8a0a278cbc9d47ae |
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font_01_sfnt_off0001156a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1156A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D81 | 10712 bytes |
SHA-256: d570da2e5f4dca7dc1053b1ff76b19b19787913f3478152c708162f831f07e9c |
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