MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute phishing or malware. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://chcial.ru/uplcv?utm_term=diccionario+espa%C3%B1ol+ingles+con+pronunciacion+escrita+pdf PDF link annotation
- http://co-wemart.com/careeruserfiles/file/71357158017.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c92b66656b2---xuwapilop.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/dmds45o7k44aeoc1uh75qfmfh0/jawamamemokevotidawutow.pdfIn PDF document text
- http://synthecinter.com/userfiles/files/jesuzinegefoxaxijatamu.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/zerodevavuxopimu.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/3970588917.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b62555147---zodomaku.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/47756104375.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/d59fc8552dc2fc7796066dd4958843df/86514879417.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/156ab58f1edbd71073dcdbe1b0b6165a/27010835284.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/e12bbe7c66512552a81bd96d58cb6027/ruzebofetazixugudomipe.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/b12cce29d5bc3162fd15c98d1c2bfeac/10144123133.pdfIn PDF document text
- http://kuhomania.ru/ckfinder/userfiles/files/papamuzapikamefatub.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/muwemibonuvosimitotamazar.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/b472cd6c127412cb3236851e81738659/73353440260.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a879bdf112c---29658048860.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/motulijew.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/bb67968042c304f76c271483d6560c11/seduxoganazoxaju.pdfIn PDF document text
- http://tutek.eu/userfiles/file/gagelodiguxomopepukizufew.pdfIn PDF document text
- http://solee.cn/ckfinder/userfiles/files/xikofod.pdfIn PDF document text
- https://orsam.org.tr/paketler/ckfinder/dosyalar/files/9671529508.pdfIn PDF document text
- https://uat-tunisia.com/userfiles/file/98609690544.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/v661dct57uggovuro2k7amcdra/bagowawam.pdfIn PDF document text
- http://kondicionery-domodedovo.ru/upload_picture/file/54440683765.pdfIn PDF document text
- 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_off0000eb8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8D | 11100 bytes |
SHA-256: 7fe34c3eb99d3f598c4aea2d4858dbf7d99c43d8ff8431de754ac807a64c610e |
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font_01_sfnt_off00010526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10526 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D38 | 17688 bytes |
SHA-256: 39f201999aaf07bad045861ce5b245990b11a9ff2e4858c72e2efe765b1f93a7 |
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