MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and ClamAV as malicious, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://allytemp.ru/uplcv?utm_term=voloco+pro+apk+download PDF link annotation
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/335f484acf30733bd4277854a709f703/39987594710.pdfIn PDF document text
- http://e-park.es/img/uploads/files/biposavofefetisozex.pdfIn PDF document text
- https://hw-power.com/uploads/ckfiles/files/6137dde4e0375.pdfIn PDF document text
- http://business-baltic.com/myfiles/dok/mosasefamarag.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/29102251008.pdfIn PDF document text
- http://hodori247.com/uploads/files/56548208921.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/gemurelivagifelakomope.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/2131a4999b221a2dbe9faefae2617c76/50559259285.pdfIn PDF document text
- http://xn--2osv9pt2jfpt.com/uploadfiles/files/41677896579.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/bufibexakimugebu.pdfIn PDF document text
- http://elskup.pl/images/assets/file/34079417149.pdfIn PDF document text
- http://ks-system.co.uk/ckfinder/userfiles/files/loturotinisurebulogupuduw.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/af9a5819cafda390a1144527e529f8eb/tekerabol.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/28083447701.pdfIn PDF document text
- http://thietbiytedaibao.com/media/files/jajun.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109070304089589.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/fufifoxenoku.pdfIn PDF document text
- https://spvi.cn/filespath/files/20210920061911.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/delupe.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/6860827574.pdfIn PDF document text
- http://szcftz.com/upload/35077252304.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148d8c91ee4b---lomuwizarugadaseru.pdfIn PDF document text
- https://austarpharma.com/upload/files/8417015100.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_off0000acd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4ED | 10164 bytes |
SHA-256: aa5fbb8dce614a19fa0cdbd24259891ed5e00a127d99e6904be4886de2b252af |
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font_02_sfnt_off0000dbc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC8 | 15184 bytes |
SHA-256: f823292a3b7b28d48932cb748bb0fd821b7e450454aafe8bad9c88264bce04bc |
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