MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to other PDF files hosted on various domains, some of which appear to be compromised CMS uploads. The presence of a link farm and the nature of the hosted files suggest an attempt to lure users to malicious content, likely for phishing or malware delivery.
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 http://cambridgekapurthala.com/damana/userfiles/file/82049347522.pdf In PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/dozizurobokamoxaw.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/8800015fcf9fd52c0678482b24b56ad6/65679914485.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/53956525799.pdfIn PDF document text
- http://levakov132.ru/userfiles/file/75589184115.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/82658673884.pdfIn PDF document text
- https://mamalight.net/business_school/uploads/file/37795472117.pdfIn PDF document text
- http://client.diffuse.info/files/15022150279.pdfIn PDF document text
- https://haruhonpo.com/upload/haruhonpo/files/19466809475.pdfIn PDF document text
- http://frankifoto.com/uploads/pages/files/vebetonolox.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/60537226729.pdfIn PDF document text
- http://boonfagrandhome.com/user_img/files/61215954076.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/17821242122.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161310bb148f1d---37595954575.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/nanozifupelax.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/10382463835.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c28aec3c58---tinewatosenetu.pdfIn PDF document text
- http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/teriwelijunokibavu.pdfIn PDF document text
- https://sportsht.com/userfiles/file/51132867723.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210921_A920DCDFFAB4032C.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/9ebee2c17758dc96298ae9a8c6ba01d7/82335763727.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/39630168435.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=fantasy+football+waiver+wire+week+14PDF 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_off0000e9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F2 | 19396 bytes |
SHA-256: 6d1ea7cb7490fa8fca9ff78b2421a8d7161f99ef7148ba96c291ea80307d8578 |
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font_01_sfnt_off00011d10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D10 | 10812 bytes |
SHA-256: b90e4276d09b05a96eea8f107d18176d1574194ced322c7edafb7d90ba61b7bc |
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font_02_sfnt_off0001364e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1364E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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