MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and its ML classifier returned a high probability of maliciousness. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4003ad6c6---berovegevajutusafimixip.pdf In PDF document text
- http://ipsgroupjjn.org/userfiles/file/funabiwebotapulagededitup.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/2351073540.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/nixiwikiwodewovo.pdfIn PDF document text
- https://amblamy.ee/upload/file/dulagoduvujukafamu.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ce364bec0---91923789514.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/85c3061fbca0cb04f660041508ae34ea/birazunozefaza.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/oefgq0f19tnkk32gf5pfb0pfv1/10178197451.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160788d35dbf63---getaraju.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83db170fff---rixexizupepuzokopele.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/38866257444.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a500d126a3d---86337428385.pdfIn PDF document text
- http://daugiavanthienphuoc.com/media/ftp/file/bebuzul.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/movikorazu.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/90709715042.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff5dc4bbfc---rapopodojafafovagapu.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e09a4cd8e---rapegarano.pdfIn PDF document text
- https://sbufficio.it/file/tekajavog.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac765654077---tisusufezoturove.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/2c929064391d1ddde4ef0ef9685810ef/12726686326.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160890e06dda4e---dobubipudatuvatuv.pdfIn PDF document text
- http://ztkammer.at/uploads/file/12775000291.pdfIn PDF document text
- https://clubon.top/uploads/files/72036613981.pdfIn PDF document text
- http://geoplan.su/userfiles/file/lalarivizifixamamig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=semi+detailed+lesson+plan+in+values+education+for+elementaryPDF 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_off0000f582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF582 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D99 | 11136 bytes |
SHA-256: e6b281e18b3cf33165f8817849f48b258752fcd1743a2975082205ddfa5b4960 |
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font_02_sfnt_off000127a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A0 | 17028 bytes |
SHA-256: ee255f5de3bbbf32fb5d0b09cc2274c9ae5ae693097c82c8dcb78905bce43b99 |
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