MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal that the document acts as a link farm, directing users to download files hosted on compromised WordPress upload directories. This suggests a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16078e08903650---45491735642.pdf In PDF document text
- http://barcelonasixtytwo.com/userfiles/file/79345452929.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/31338992479.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/667960601eb7dddf1a3c4704951acfd2/53208161112.pdfIn PDF document text
- http://m2mus.pro/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/bozubujopufikotaru.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/lejojipuwademewuvoxawep.pdfIn PDF document text
- http://goref.ru/files/file/gevepojaxatidisugevub.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/ditivetitigabidunexe.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63be71488f---zevosetugulerezigogovoz.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/cd4obvmai7sjmj5sri0ulu8pm9/24558850363.pdfIn PDF document text
- http://proxima-design.cz/files/file/19517468803.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/472d899797a30d2175106b7f6fcae2fd/59628026698.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/1dlavgd8j2igsqh7tdncbuefr1/sovolenapor.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b64de634e94---kafavakebej.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6907cbe65c---57460277629.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/95758037785.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2384633b---58876902601.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/ropafofimi.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/jibax.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b87ddde23---8448107245.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adef06bcde4---84283430994.pdfIn PDF document text
- https://miaousland.fr/ckfinder/userfiles/files/daboberamizepe.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a9e7a9534---19015125480.pdfIn PDF document text
- https://kajariaadsevents.com/admin/uploads/file/lulutegexovog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=ae+logo+templates+free+downloadPDF 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_off00010fe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE1 | 10816 bytes |
SHA-256: 380fd83f0c2ec7d5aa48b470d3b846498eebe1119f1cc082026edd78e6558a07 |
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font_01_sfnt_off000128bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BC | 17172 bytes |
SHA-256: e222e62632ac1c5e7433a6dafd49ba926f4e5c4f0fd3a84ad575bd1a1c2bc19a |
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font_02_sfnt_off00015579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15579 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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