MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These sites host further PDF files, suggesting a chain of redirection likely intended to deliver phishing content or malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9786
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 https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073129c3e3ba---3284425158.pdf In PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd5d27237f---93023456389.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1607136a713963---93642707659.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/guzubidiwatofijavawoxo.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/nusatavupobud.pdfIn PDF document text
- http://sparkpro.lv/content/file/jevojazazuroji.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/2c779b5fd7222769de680c76fae424d9/retipiriromojusi.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5f70e5612---31538777488.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/7fgan5gm65lt0j2sl67aih0k7b/75397385976.pdfIn PDF document text
- https://aonetreks.com/uploads/file/lalumigananakeserin.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/67e4ce2f66818f5907e2fd3ecfdd1998/13698092339.pdfIn PDF document text
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/27e7fb46d435ae3a7bee6c2018ca800c/41839337341.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/sdnk4ro3v6cm9inhp64uilh9tn/59028116058.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071d10b023b0---kigivodixusiba.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b588c15f8bf---sawamibajuweriz.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/f5d9d319e310b4d7ceae955ee64d2e1d/55129285269.pdfIn PDF document text
- https://shiokerbau1.com/contents//files/jisogokuzotuzitituwixe.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/44996646146.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/7b149b57e120489d0fa356b24cd9b870/89883442650.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/ditarunonifika.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a575f5a9593---14013106244.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607941618275d---92522812024.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076c3d2146f3---47741474731.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160886221d96dd---63419951910.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bd521bff642d3019421118d5d97415b4/594872474.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/romamelemezetozemevad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=energy+stored+in+mutual+inductancePDF 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_off0000f230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF230 | 16168 bytes |
SHA-256: 1cfb00680a8a18ef5d5af493cc5b57cfe410abeba37087ee2ecd799c98b61e68 |
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font_01_sfnt_off000107cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CD | 10912 bytes |
SHA-256: 9142663fdc40a48ffad84da7726ecc56c84042cd7071c4b14808427483f9f6e2 |
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font_02_sfnt_off000120da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120DA | 18068 bytes |
SHA-256: b77beca96b60390e61f63c56871b60075649f01f70fcc439aaa44e0f6f45befc |
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font_03_sfnt_off00015097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15097 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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