MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document is part of a link farm designed to redirect users to potentially harmful content. No scripts were extracted, but the overall structure points to a malicious PDF designed to exploit user trust.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/daneaihnnc7mdncljfo1j14f3n/togepabe.pdf In PDF document text
- http://veiligheidsslot.nl/ckfinder/userfiles/files/kezejeg.pdfIn PDF document text
- http://henca.com/files/details/file/najaw.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/525d00796644b7e5fa11ce4bc263f0b3/tugenajavabebixuk.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/qcvmk2b13skrk0p6vfv6o72i3f/66687119341.pdfIn PDF document text
- http://greaterdeliveranceministries1.com/clients/61527/File/91667327724.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/89594868813.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3d37ac1d8---50442370279.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4ab652c54b02423da86df1b7e4d59a87/zewesibikomiregetew.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/68993097163.pdfIn PDF document text
- http://bud-drog.pl/userfiles/file/48916385046.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/da2b00ad0a7ea0886d651e53ce1365b4/54336007217.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/72242819218.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/lapimebokeralutibi.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/454eac621cdf5c70403cfad1a0e9ff1b/fajazuxusovaminabag.pdfIn PDF document text
- https://farmstead.tw/farmstead/upload/files/77116927149.pdfIn PDF document text
- https://svetplus.com/userfiles/files/terejobotaviwamut.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/h7ehi3g3cg1h6fs8jct9re0hv7/94992478368.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/48603101207.pdfIn PDF document text
- http://zentrumok.com/userfile/files/99749880670.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bead1d1521---sanaxafuropurivizoxuri.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/a927d1774fdae627a24ab3c0f8eb4581/sowapi.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/ntkmdco37osd22b98bmjdknb57/28617227058.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/vejobovelegewojasap.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9a373a334---5933083041.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=delete+firefox+cache+manuallyPDF 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_off0000d28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD28A | 18124 bytes |
SHA-256: cca666c84c0e064e6789f3bb4d6e9270270c2a5ad404939f0bc0dbbac98ad6a2 |
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font_01_sfnt_off00010089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10089 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A0 | 10752 bytes |
SHA-256: c24b151f048eeee7003bc51e50e89d81766c38a87e68658658944da0ded1e617 |
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