MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to PDF files hosted on compromised WordPress sites. This structure is indicative of a phishing or malware distribution campaign, aiming to lure victims into downloading further malicious content. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://babamore.com/upload/ckfinder_temp/files/20210615212956.pdf In PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/iq7o0ude7iqfh5dsh96kpo0q3o/baxumuwu.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/829d77cbaa5dfe07ffb6847c427ed8d9/84298605071.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/570a44cd2a1090bd54929708f383ad3a/zuxumirifibumuno.pdfIn PDF document text
- https://jobtiara.com/files/files/wumumisaxuzijigamojewumek.pdfIn PDF document text
- http://reicar.dk/userfiles/file/89708848098.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/juxifasiberop.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/7b5582de5d3213dd10855a948283082a/megigulupidevorexabumel.pdfIn PDF document text
- http://nelly-design.ru/upload/files/vabekezuporuzimokotu.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607217997c433---99669222076.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098daca544de---10533340423.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087297587114---1538003564.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/0d639ee4eecbde72682511cdca165916/85614213949.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2481c805---5123210848.pdfIn PDF document text
- http://zuestag.ch/userfiles/files/penapolimajofamanit.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=calzado+de+guantes+tecnica+cerradaPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA60 | 5060 bytes |
SHA-256: 459e09f0bf13764d83963ba331d7d27fac3326f80f0e54b7b3deb42cbce2953d |
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font_01_sfnt_off0000fba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA8 | 11992 bytes |
SHA-256: 03bb4883b14509bc3ac1c65427797e1a57a1660af79924af564f255fb313ecc7 |
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