MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, indicating a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure as a link farm is a common tactic for directing users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://chcial.ru/uplcv?utm_term=ecosystem+mcq+pdf PDF link annotation
- http://eortak.com/img/fck_temp/file/mojabosir.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/h9bv8cmo1kq370emrd0j7kg2m8/tixomivovabetenedod.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/b29c28f10b40c0c5399aaffc606bf4e2/norulatizisuluw.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/aa015da393cc0ae203ccc052231226fd/tubixowepeji.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/h4qdj343nei9guthfga986p075/97310966423.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcd1dc8109---xekosiro.pdfIn PDF document text
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/5d3fb757d9ce114149a90817c6b533b5/sirazubizugarojifar.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b64d7d351fa---zigalagodopigixaseve.pdfIn PDF document text
- https://aimhc.com/userfiles/file/jasalegoxela.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fucc14u6b6huqaj5onvnc047n7/fizafefajisizidunomeja.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/8b3e00ee7ed83a5b067da129d16a0551/17543712882.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/lemobekive.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b13211a6f---71463511508.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9992e99fd1---92661756793.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/xerisojitewusepenegesoni.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/qtb6b2dvp7kqrvo4hmdec50l31/pinewadesiferawedoravar.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210601162253160580.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E5 | 5148 bytes |
SHA-256: ff706499bda1b4bc8535d0023b027078a14b208cda0bf8cc6370b23c461f6437 |
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font_01_sfnt_off0001086c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086C | 10704 bytes |
SHA-256: 54161a705c06f94a9ca8eab6ec35be044e99d17d0dd6f3332a1b15e7205db29a |
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