MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm used for phishing or malware distribution. The document body, though partially corrupted, references an audiobook, likely a lure to encourage clicks on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/9d16923cebd23b1df77c96b8421eaac1/56379560053.pdf In PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/6af6c81be2a8391cb053bafbdc9b58a5/25341914881.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/f014p5k8feubr3os1n6kv0tcvo/21849334057.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaca451c41---zulubixu.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b03623afec4---89571135561.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/403c11e2b3090fc03b089808d4a457e2/tatoxuwipolokarakoridevi.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160aa16211290e---juwopexozujule.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/c8cf14a30f37a7b394f11cab580d5f64/13117156546.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/98fd378ed8694d0263139c1f0b560424/sexutizuravewodijekuzo.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/ao8qhou7jo95vb27u0e0g9mmu9/94363468478.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a129ed232---dufurexe.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084e3d1153ed---zafan.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a49f099a7d---36383041116.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/84513094450.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/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=la+gaviota+y+el+gato+que+le+ense%25C3%25B1o+a+volar+audiolibroPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078721d52e16---xusokupuwuzewafiwepazu.pdfIn 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_off0000ed53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED53 | 5572 bytes |
SHA-256: a8b596d1715f708909ca14ac1c92606a9a6aca8ae8db568a3c13310564411ffe |
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font_01_sfnt_off00010014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10014 | 12032 bytes |
SHA-256: 3b11026960c589722f9a4691d8042e7bbdc65ce5d8715a6138796833789eaf8d |
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