MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on potentially compromised WordPress sites. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution scheme.
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 https://alice-immo.com/userfiles/file/95339798927.pdf In PDF document text
- https://ncsccalgary.com/userfiles/files/68678146024.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/lategadozuzuwutodizipumu.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/0f5b817c3a30735289febdabe9448a75/75898747566.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/87080225288.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/turejalip.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/tavesan.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/b157f9088a184e608b27aabc2ab77458/20257732874.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/50424494689.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161415574e471f---8759801405.pdfIn PDF document text
- https://bdata.vn/upload/files/34782235739.pdfIn PDF document text
- http://peak-experience-europe.com/images/blog/file/76425743582.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/vogazidus.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/57926807324.pdfIn PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/40248728363.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/jabamilisidetavamubeke.pdfIn PDF document text
- https://bharatbiodiesel.com/userfiles/file/20692514972.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/midipetasap.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-7/20210907231520535241.pdfIn PDF document text
- http://totoumi.jp/upload/file/munozamigunewimakisokij.pdfIn PDF document text
- http://cartopack.com/Images/file/25378541373.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=ppsspp+gta+vice+city+cheatsPDF 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_off0000b3be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD5 | 10464 bytes |
SHA-256: e8739e986d281aa4e8f10bcdb9563f84bbabbccc5eb03ae8025cccf4a079c399 |
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font_02_sfnt_off0000e3d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D3 | 16252 bytes |
SHA-256: 8afc0ecc8045ebab47c99da585819e49784e99594c5944a882d7670fae14c7a2 |
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