MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites and disposable hosting, disguised as search results for free book downloads. This suggests a phishing or malware distribution campaign, likely using the PDF as a lure to direct users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://cructi.ru/uplcv?utm_term=dr+khadar+vali+books+in+kannada+pdf+free+download PDF link annotation
- http://jyotiacademicpress.org/uploads/file/negewiraxogedomomoko.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7412f3690f---80200467881.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/7d2adfdbe505214c643fa9aed8a24f2b/15614489417.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/4a52c267df72d5bd03d306214a28b0e9/vikedametiselitavupotuv.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d56b7eeac---pigoxusoxiralukopezadova.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/lojuzajokabir.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/53035e4d9e3ae930e5960c77715e3c39/tunerokobaxoxexafubatew.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/5e16ae79befe559507c0044830b6b8c2/dexavo.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/porinezudirikizir.pdfIn PDF document text
- http://alliusie.com/userfiles/file/talix.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/milutikawo.pdfIn PDF document text
- https://bloomeng.com/uploads/lujibatumoveke.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/f602147476ae15d6be5fd317b7a190ef/vozivoketifo.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/7224326917.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b87e3cb28a---supawopezewaju.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12444 | 5484 bytes |
SHA-256: 24a37d1569453e2f1ef630932f6b9860d6aff2a23c4ecb13e65dcbaf76efb433 |
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font_01_sfnt_off000136f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F3 | 11892 bytes |
SHA-256: 134033dbea25a3ac8c96ce7069c0376aaa0720e0da10cd99eb8ad698539eefa5 |
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font_02_sfnt_off00015694.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15694 | 14132 bytes |
SHA-256: 51a14fee21d261283993a57755778d7d7eb92bf22ea2792db36ecae5798956a3 |
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