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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of multiple external URIs and a link farm heuristic strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/5l93b60566nn6d7uug73f2bcdo/vobeparev.pdf In PDF document text
- http://oio.cn/uploadfiles/files/14872791314.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210708164702_3d01ut.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5cff62afd---zupiwegixeno.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/lupasi.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16071c84869a15---vegekekavezapubez.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/d3gva4bq833u3u3mld8j3i9i15/19634477753.pdfIn PDF document text
- http://ldbell1965.net/clients/85689/File/11756835715.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/7627016ecb2313acb5963164da45e215/kezifowasakubapu.pdfIn PDF document text
- http://schnauzermountainminiatures.com/clients/17729/File/filivofapuxeb.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/17716242271.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/2c0285687895f9262ad6536f1f80ebcb/pefikalabobira.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/4b00cef63d1b553924c3c1cfcff6360c/dagubetubumabibovevo.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f45ab7901---buzodisoxipiforalidut.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/supuzefu.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2e7448287---pemibepakik.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc52a0810b---67763856366.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b7cc7cafc---vujinewimulijaler.pdfIn PDF document text
- http://inglewoodreunion.com/clients/68690/File/vivofejofomedezi.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/lelanisawemug.pdfIn PDF document text
- http://aviatechinform.ru/sadm_files/juzokituxanajelojoziludit.pdfIn PDF document text
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/13l344e0ua1mc2uhr2vi9vrbp4/11681714392.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/7784732699.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5315926c8---vubedafozebaguvaxaba.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/posefavevovet.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=incinerator+in+tagalogPDF 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_off0000eb62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB62 | 10188 bytes |
SHA-256: 93e3b10bbc8d9399a9ed84e060b5403f3ce46464de99271e1e782d1bfcad4101 |
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font_01_sfnt_off00010249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10249 | 18300 bytes |
SHA-256: 4b530715b0ca1885482aca096cc6b756407ed321d83a506e33e91148bfe4598c |
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font_02_sfnt_off00013198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13198 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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