MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to potentially compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/1689209243.pdf In PDF document text
- http://fcgo.tw/uploadpic/files/bemoxemafefolufesazizi.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610faa18ab435---52421011961.pdfIn PDF document text
- https://playerpress.com/ckfinder/userfiles/files/giworewut.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/menoxokuvemen.pdfIn PDF document text
- http://msnladyboy.com/ckfinder/userfiles/files/58044246649.pdfIn PDF document text
- http://hkt-optics.com/hkt/images/userfiles/file/denujolotabapinodaluwiwas.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/53377945720.pdfIn PDF document text
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/tudolimakirasita.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/67301681224.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/p0s1vi6552d4gjt45pud022uiq/zaluv.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607b32379a912---mewutotatimipi.pdfIn PDF document text
- http://winso.tw/userfiles/file/44252580060.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/94472359844.pdfIn PDF document text
- http://angelescare.com/userfiles/file/5505948101.pdfIn PDF document text
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/960a50b280a11808aae190744b3ccf27/83866383611.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/eehicc1buun9murje0l9b2g4k4/82395844774.pdfIn PDF document text
- http://unsersohn.ch/images/file/22770528238.pdfIn PDF document text
- http://inciboya.com/resimler/site/files/gibemu.pdfIn PDF document text
- http://texmet.pl/userimages/file/totukidavexibijagejez.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/7898634335.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/pawotepuliko.pdfIn PDF document text
- http://tonghuichem.com/upload/files/14613110239.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/54jnpkrj5k4cp5akbo6756bqm0/fimafexajolaxomiwiwozob.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/wevorapazezexeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=greatest+integer+function+graphing+worksheetPDF 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_off0000c3b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B5 | 11028 bytes |
SHA-256: cc9a379d4553d67215a946f49b0dc045ceee06a89523a1d2f7d5748c3d2e6229 |
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font_01_sfnt_off0000dd71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD71 | 19268 bytes |
SHA-256: a2e9c25af8094435a9e409b588ce3d651521bc5df920c2c19e493ed06a2af7d1 |
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font_02_sfnt_off00010f6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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