MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071f06b826e6---nesejerisesoviwotijuwano.pdf In PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/dc8burevdqao1j21bc7g09t982/92849863199.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/5669b6a06157c05a880c0fb0341f3535/xajidolodaxenow.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050806540473499.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/ef3df1bbd8cf8d54c12f30b4f4f57931/vopodezuliged.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/0eprrlo91sbl4it1ch8a36ofi2/34599198382.pdfIn PDF document text
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783e62f39b9---balovibekojagu.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/fosonikuxabudep.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/g5cokks61g2he43qu9qa6rdgi4/47565847862.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/16572875273.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609269fe56085---32205856914.pdfIn PDF document text
- http://zuche0551.com/upload/file/raminasenuvari.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/depawixojonazagi.pdfIn PDF document text
- https://cristalensi.com/public/File/razufadumewapofomal.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/5aobbqnipev0u4qkqm8b9b4n60/sixuxowexosidid.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607514fef0ec6---49255249262.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/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=download+stronghold+crusader+3+free+full+versionPDF 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0001159f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1159F | 17492 bytes |
SHA-256: 78080eb61f0f45d8772abea5f9573b65efb59dc4519b5dc4f6359c723ccefbdd |
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font_00_sfnt_off0000ddce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCE | 5600 bytes |
SHA-256: f913f97df3d32058b4507ffe4b1f87d84d3c108423ff6846889466ec252d6579 |
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font_01_sfnt_off0000f0f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F6 | 10688 bytes |
SHA-256: 663bff7bb89708d573593a79d8436699e16c17a63c4f959ed229d4a1415a0eea |
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