MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.
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=switch+60+seconds PDF link annotation
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/2808ba3410a50138b3a1eda308fc9386/48031489123.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/51784953612.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/52862972678.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/7a148ffeee83739c1b544e1fa998d4eb/45079211534.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/26b4d32cb7df13eaeeb68c3704cc26bc/wiwobewulusavurofet.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606e461337d08---69239363422.pdfIn PDF document text
- https://isosklo.cz/uploads/61096804366.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830bfeb3995---wazelivixo.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/0633bc814277302b184c8a9ffbbca96c/letabalofazidof.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7c3b90970fc3297ac1ac08ef3d8b29f1/39065835781.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/5712c27c801b03b3d9883901496baec0/50262115635.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607911e6a891b---67419311100.pdfIn PDF document text
- http://caryhigh1987.com/clients/41333/File/zupunojefak.pdfIn PDF document text
- http://capmar.eu/userfiles/file/gotagibupa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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_off0000f2ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AD | 4968 bytes |
SHA-256: 0fd28fc2b446c0d5058e32a93f0bf788aab621896390a39b0a7a2b8a51973a7e |
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font_01_sfnt_off0001038c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1038C | 12540 bytes |
SHA-256: 83c64f2681dada01bab1f89f9c2663ce2d3bac73d57d96cea608dea2c58c44b3 |
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font_02_sfnt_off00012adf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ADF | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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