MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm, with many distinct hosts and links pointing to compromised CMS uploads. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document's structure and numerous external links suggest an attempt to redirect users to malicious sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://aspaeng.com/files/image/files/33893309613.pdf In PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aa900d10983---52788781108.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/79122599148.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/vewejumogumo.pdfIn PDF document text
- http://surrattsville69.com/clients/8/81/8122276c22396d7fa0996010cc369f50/File/40710051682.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f0495c76e6e---petusipudinoki.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/3c4ec575bef0a1bb28f18a8bdb461637/63318129260.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d625a337b71---8471727275.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c4521d033c5802149e14419b962eaf6e/94263874771.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160fba8a233f79---wewojuvezelepiwe.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/mikozemomebenipinowipu.pdfIn PDF document text
- http://supermarketdv.ru/files/file/83076613105.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160835363ea03f---75898827160.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/sc2ebf2q1v1oh6qeblh5qjoo1o/gatipewoxerabedeborur.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/pawamitemani.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/mafasixapevoz.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090b2341b0ba---vawosogizabazomipapo.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/0hfspsd4udiiek96e2ta2d1fm4/91249373192.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a52912781---4777305667.pdfIn PDF document text
- http://au-coeur-du-temps.com/userfiles/file/pumatexizuzulowaselawedig.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/a1846b6a203f66e1b6db0944ea5ef16e/30097027097.pdfIn PDF document text
- http://ximangsongthao.com.vn/app/webroot/uploads/files/reduliwopolodaruninadaxu.pdfIn PDF document text
- http://kapli74.ru/upload_picture/jenadowonuwejela.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/43624155063.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=leader+and+clerk+resources+sign+inPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/44e3c4d233c72b712e388d158550fa99/selekujikifafevavuvegula.pdfIn PDF document text
- https://tech.churchofjesuschrist.org/wiki/leader_and_clerk_resourcesIn PDF document text
- 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_off0000cd14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD14 | 10596 bytes |
SHA-256: a055bb03973a845c7da2e5a66e39321e0f0ef25d363bd51c0d0fee9f3f15d046 |
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font_01_sfnt_off0000e51d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2F | 19080 bytes |
SHA-256: fb1e0563f70ebbc4200ff9887b98acb816c99ad4b33ed065ea19a6c43830032a |
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