MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories. The ML classifier and ClamAV both flagged this file as malicious, specifically as a phishing trojan. The presence of a link farm on disposable hosting further supports a malicious intent, likely to redirect users to phishing sites or for SEO abuse.
Machine Learning
- Nyx PDF Classifier malicious score 0.9246
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://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1606f520ec9a70---15063155094.pdf In PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/1900e3667b977eb104fa65a26a39886b/73615584632.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/33f8bdb8a814fc669757c6a1f8e42766/38034886838.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/mupelefagijojejedelit.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160850cb1ad9ef---nipakibimiz.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/putaxegopojitofewix.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/c3b18dc1b2b90a71a01f4abca022141d/fifewatemubokudojukogiz.pdfIn PDF document text
- http://kme-kme.cz/files/file/kusebawatetigaganuzozawi.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/238ef716a42ebbe223b27e698c8313e3/8131544606.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/nrhu8plj0c29tt8fsenv2pd7gd/senokovidorejob.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/d45c8443447fc196643005489b4a2993/37714359260.pdfIn PDF document text
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072054c98e7e---44002411427.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/96gb8pfugcrsece48qfkc572p3/29303590549.pdfIn PDF document text
- http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/sezudikiguradudi.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/pokajeb.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021050113541419.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160783a6c543d0---dowupoluwizaji.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6bca03cf8---51813493391.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/31b04989ccc2370fd15c2764afcef0cd/dirigos.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/38594998278.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8279aec728cb2f3a315d44d78cb0c8ef/97297097424.pdfIn PDF document text
- https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/23aa7d819d247c50f6c96638d2715e93/11167203730.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f026dbae2f---14320274340.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d4363237e34debb1ab7ad901b273beef/pidexumakokoxoxesenalunel.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-5-2/20210502183206356529.pdfIn PDF document text
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/07c5f359fffd085aa25477662be9f567/23939147957.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=who+is+jason+derulo+dating+nowPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001b705.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B705 | 10836 bytes |
SHA-256: 324a500add1c1827d66f3ea6431e6301130a810a6d8cdef1dd9946b9e249f257 |
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font_01_sfnt_off0001cfca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CFCA | 19332 bytes |
SHA-256: 02da9a43ee8533eb76820792ffd189d326815695c8c866fbb5770543a9664c9a |
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font_02_sfnt_off000202e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x202E6 | 1836 bytes |
SHA-256: ea28c1f0ed044ab8495e6edc0f6be49cf78895c54ed76ffb00d119d7f01942a8 |
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font_03_sfnt_off00020b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20B89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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