MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139346f99d32---sukosotitixemetatifu.pdf In PDF document text
- http://chrisdepanneservices.com/Sites/cds/files/nanelesopalubudu.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/55202636449.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/61430735597.pdfIn PDF document text
- http://njbeihang.com/uploadfile/file///2021091008022348.pdfIn PDF document text
- http://parentini.it/userfiles/files/57302905768.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/sojigivef.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c808724eb---78623690860.pdfIn PDF document text
- http://arsvet.ru/img/upload/tuwafixumugogi.pdfIn PDF document text
- http://dexgerm.com/data/file/userfiles/files/59134253199.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/37831719299.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/38552016621.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/8276873854.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/nuxafusovitobodifefeb.pdfIn PDF document text
- https://sowlindia.com/userfiles/file/susakuwusexakomawevo.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/81724964300.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a86d7463dc---kuruxof.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/75299744949.pdfIn PDF document text
- http://fisioterapiasuzzara.it/userfiles/files/28480134589.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/75142532350.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137fa9e2ce10---divigamu.pdfIn PDF document text
- http://groupkaishan.com/d/files/bowelipe.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/75970304833.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/fizadikoxojonaredifoso.pdfIn PDF document text
- http://el-master.ru/userfiles/file/lubosupobewijibux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=apps+hidden+on+androidPDF 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_off0000f133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF133 | 19224 bytes |
SHA-256: b82b31de653d77c4320c10e369a81323a68bcf17af349a40642e1bcf9cba18c7 |
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font_01_sfnt_off0001217a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1217A | 10324 bytes |
SHA-256: bba0325346c4f5f8f0c57a96de65d7ba0de22637e7252a9d920c789bdad6d090 |
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font_02_sfnt_off000138b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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