MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of multiple external URIs and a link farm structure suggests the document's primary purpose is to redirect users to malicious websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://fourfoods.com/images/files/xadidakusitijotas.pdf In PDF document text
- https://youkuvpn.com/upload/files/norudifilekele.pdfIn PDF document text
- http://runhouchem.com/upload/files/xirujenanapogafozolulem.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/64051067146.pdfIn PDF document text
- http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11068965997.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/96092290729.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/sobokidutuxozi.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/81382330565.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/72187326265.pdfIn PDF document text
- http://denki-shonan.com/uploadsfile/90288282573.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/xitavuwenigovojo.pdfIn PDF document text
- http://nhatrangpalace.net/app/webroot/upload/files/13758786368.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/48812599144.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/77545390793.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/keguwimemadokumopo.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/gefotazafulexajawororu.pdfIn PDF document text
- http://spreewaldpension-luebben.de/meineBilderAlbertGrundschule/file/nemopiwekafaj.pdfIn PDF document text
- http://chokmanee.com/userfiles/file/pitovelotojewoxij.pdfIn PDF document text
- http://ahkjt.com/upfile/file/widisoz.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/dixikifidavakabolagudoza.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138832c3c501---lezaxalin.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/18038bb87fffb7e6f2b8092e8048b09f/gumozuxuzozuxa.pdfIn PDF document text
- http://fruitvita.com/files/files/71978156896.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=minecraft+pe+shaders+mod+android+downloadPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/ec4233e6afd5d82ed16d266bed32fb4e/34641394058.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_off0000c748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC748 | 10964 bytes |
SHA-256: ef57785383fa544c6d61c020f1096b0d4854c414a275685966edf582f7e4722c |
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font_01_sfnt_off0000e091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE091 | 17420 bytes |
SHA-256: f2ae7c1480c48c4cb3268310a147be9c21134851a79d806db287318b751a5d1f |
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font_02_sfnt_off00010da7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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