MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains a link farm with numerous URLs hosted on potentially compromised or disposable domains, a common tactic for phishing or distributing further malware. The presence of external URI heuristics and the 'PDF_SEO_DISPOSABLE_LINK_FARM' rule further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://28777886.com/Lpf/UPFILE/userfiles/files/xojekebozifagutadu.pdf In PDF document text
- https://mimpishio1.com/contents//files/rorowisagojapi.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/11025976783.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/84304321649.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/27936028720.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210522001906.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/36346634044.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/wejunefawamarujufo.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/9a4f07faf6cd7f55f80b046a92fc40ce/82104696121.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/86782654502.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/sekoko.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/vtuv647so4rombfh8omkt28jh7/29298929800.pdfIn PDF document text
- http://hubbardfamilycircle.com/clients/62940/File/69450399650.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/db94379914a3bc89a29e5210a1dd4b8e/55310115988.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/vivetenurexuziwizuwo.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/7tuj9rl2lt9tq26fp4k8dfhu04/nazigumedari.pdfIn PDF document text
- http://brickform.cz/obrazky/files/bakukogemajamuguzudola.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/pidelolexexepuvaliver.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/72bf1b57c2f44585a70234324b54f1c1/winebepikikarunolof.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/76661329749.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160901d701237c---32062052320.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=le+verbe+%C3%AAtre+conjugaison+pdfPDF 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_off0000f0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DC | 11300 bytes |
SHA-256: be38b2a7765e486ee2eb82f8bb7fc391ef9058b4f285326498978cf0f3ae290a |
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font_01_sfnt_off00010adc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122EE | 21248 bytes |
SHA-256: c358f0a973eb833ea22919c8099e96c801839e3bf27c6a7e8590f3c20ffa2616 |
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