MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to PDF files hosted on compromised WordPress sites. Heuristics indicate these are likely part of a phishing or malware distribution scheme, as suggested by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' firings. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607161b2bd716---12993141305.pdf In PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e0a5277b787---mikeluxadamonikotefulekox.pdfIn PDF document text
- https://pasarangroup2.com/contents//files/97201994411.pdfIn PDF document text
- http://technocom.pl/editor/file/39077236212.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6190144ed---93798402698.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609f59356f89c---79754152044.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/vodabalasipifozuzal.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/nudagiwubo.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa086a67c9f---samupukut.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/tewalurumebadafeluved.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160df653b59954---41171961810.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160efd2c20f27b---xofegusigozawuvif.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/kekurumov.pdfIn PDF document text
- http://capital96.com/userfiles/file/46626685189.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/58378321974.pdfIn PDF document text
- https://minhkygroup.com/luutru/files/74321715937.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/bhg0s76phmhgs4tl23fn8nphsn/bakeletudu.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/93374133604.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52601858485.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/tadiwezomi.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16094cb9bb9b26---mekuzi.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/96ce0647a0f902240db9c9325ccc7211/vifokebat.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/043b502e9f1843f5ec1aee0ee1ba209c/wisativeguwuzegap.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d96200e8141---16933624857.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/8nk44uij2o3b9hel9jemncmkr6/9022378199.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=get+formula+from+graphPDF 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_off0000c662.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC662 | 16492 bytes |
SHA-256: ac7ca1302f06e9daee2c8bd89e25f0eacc71ea18b36f5faf083ef6074499dbd8 |
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font_01_sfnt_off0000f174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF174 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001098b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098B | 10580 bytes |
SHA-256: 186c79fbaebdc55daf9bae2f242dd33987a670a4206d74337228e52b7810e5e3 |
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