MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal that the PDF acts as a link farm, directing users to compromised WordPress sites and disposable hosting, which in turn host further PDF files. This suggests a multi-stage download or phishing campaign. No scripts were extracted from this sample, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9fbd4f574---3071366878.pdf PDF link annotation
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/514903c3c688e1c91e7fbafdd2bc0226/38723757210.pdfIn PDF document text
- http://tebsc.com/clients/84181/File/17761025248.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/03d79953dc0e971011e09f22ef1680db/setumetijelovejote.pdfIn PDF document text
- http://studioriggio.it/userfiles/files/firagido.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b9c3ae6b5---72505547716.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/900p7dvk38rgt91k0ig43dgm85/bajavegigu.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/082d2ba6196772c05d921dfe03471284/ronoverenisefunopugodulu.pdfIn PDF document text
- http://lookkorea.net/userfiles/file/livitevuvetofemak.pdfIn PDF document text
- http://juentai.com/userfiles/files/2176774276.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893f864a74f---2688566069.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/jexanojifo.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac05c646bb1---63770654891.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/48ce0a6d783fe50a278850c38cc034f6/89944406066.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ba052a85---37498355528.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1faedc485---25751292491.pdfIn PDF document text
- http://chpcentre.com/files/file/nudojoji.pdfIn PDF document text
- https://iveducentar.com/uploads/assets/file/29267392150.pdfIn PDF document text
- http://td-mg.ru/uploads/files/danakokep.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/desonowofixofijepinuzuran.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/orialk0maunkomkg2ihgr0q9lh/25614612628.pdfIn PDF document text
- http://tce.vn/imagesflashupload/file/fiwamejutikurudef.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/sudedutititerilekekom.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=bhavishya+purana+english+pdf+downloadPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC728 | 11100 bytes |
SHA-256: be6475484210dab37ef346c4e9f7fc8c5b5fda4606c6f900baaad07a5cc8e278 |
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font_01_sfnt_off0000e0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D1 | 17568 bytes |
SHA-256: ab37070c64cc454965097f98392b3159ce67d25085c3a72ff7be98d1436c431f |
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font_02_sfnt_off00010ebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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