MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ClamAV as a phishing trojan. It contains embedded JavaScript and multiple URLs pointing to compromised WordPress sites, indicating a link farm designed to host or redirect to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210504005759429867sx1ta6.pdf In PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072556147834---39780519126.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/939bb03bcf251f6741b796cfe43673fc/zofot.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b912c66a9---95465228481.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/wuxugagokogojononuwe.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/4u9s8ppnheare1p4rbefugu9fv/1396744021.pdfIn PDF document text
- https://kangaroovietuc.vn/webroot/img/files/jelesolisedoxudela.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/8f956bfb03fab1bf9812dcff6cd97622/lexifo.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/sesopoxaxuzemumolagufezax.pdfIn PDF document text
- http://robwalker.net/fckupload/file/fewewul.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e37984da5918593aa0f2032b59aa6f34/tikowo.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/gajulasijobulixaz.pdfIn PDF document text
- http://xindeshiye.com/uploadfile/file///2021080114465066.pdfIn PDF document text
- http://ekomeg.pl/Upload/file/18127335630.pdfIn PDF document text
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f229eb5d10---talapekidiz.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/e3e37d2988e8895ffcc3ae1b77727177/bosiduwomuzet.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab07608850---bugosetufemoxam.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b50b9b13bdf---54706481056.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/0b043271e3ab16023a9ea4a6dc01fb7d/filujizajowapuma.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7d0ebc8ef---39116905160.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/tawifegujunokedavete.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e698f1db03---56263404382.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/79015452058.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=cain+and+abel+in+the+quranPDF 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://dbpedia.orgIn 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_off0000de67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE67 | 19596 bytes |
SHA-256: 6e4b16130979ed2542a86fa779c5c47698c1782becf8e444642b325328d22fc8 |
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font_01_sfnt_off0001113a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1113A | 10472 bytes |
SHA-256: 31399f4884c0c7360705ba6088ee657e107c68ba0af27a3b9dc39da243287dba |
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font_02_sfnt_off000128b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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