MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was identified as malicious by a machine learning classifier and ClamAV, indicating it's likely a phishing or trojan delivery mechanism. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and other disposable hosting domains. These links likely lead to further malicious content or exploits.
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://unifor975.ca/userfiles/file/debotapalekupamajafonuk.pdf In PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/jexasagevasipimugorisaj.pdfIn PDF document text
- http://sananselmo.com/wysiwygfiles/file/xoxijumometupaworibagi.pdfIn PDF document text
- http://pileki.com/imgup/file/34389502507.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/55290136106.pdfIn PDF document text
- http://congseng.com/uploadfile/files/jisuxikibegobux.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/mebiwomefibebejukavada.pdfIn PDF document text
- http://wenyanchem.com/upload/files/jetevekafuzisoxip.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/gukebobimirusamorodedavu.pdfIn PDF document text
- http://autokolcsonzoszolnok.hu/admin/fck_upload/file/64900791619.pdfIn PDF document text
- https://bodymason.com/user_uploads/files/wakijemub.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/21069824470.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130c27803cc1---58956833373.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/nuvedirated.pdfIn PDF document text
- https://rumputhijau.com/contents/files/76809021691.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/tafofodev.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/vuwirete.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/0093b196a7c78415c2e1ed904f60fa30/6100511660.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/22417943699.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/62171631662.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/72602494731.pdfIn PDF document text
- http://alacarte-grafik.de/userfiles/file/65067641077.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161423f27a5e8d---58258450374.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/ac8e61f0f35138dae3ba0f377f93410e/67842017646.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=romantic+hug+quotesPDF 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_off0000bc3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC3E | 17104 bytes |
SHA-256: debc6da7bd282f28fec764c692571132deeb157835ac5bef9b6a4ad6bbe73915 |
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font_01_sfnt_off0000e7bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD3 | 10824 bytes |
SHA-256: 3b70eeb9b73966c326aabbad9749610d4631dfb1b365d35be28fc620143ecd57 |
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