MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs are consistent with a link farm used to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://cructi.ru/uplcv?utm_term=listening+comprehension+for+grade+9+with+questions+and+answers+pdf PDF link annotation
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/8muah5f9evn348ngnrl0br7s27/fedajivukuzi.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ukvf5u3ofq309jeqm4s0va9ka7/90463498342.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/adhc93g2nm7kt1gtftq4gio4of/47811448301.pdfIn PDF document text
- http://bjallstar.com/upload/file/52387032512.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3560481b4---kowopa.pdfPDF link annotation
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/nq7mt81js5qfak3lo7b4va9o1a/wawuguwipofuso.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c7793ccc68f---56358180006.pdfIn PDF document text
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/62568242040.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/oq8c1iou245u583bp50thaat11/40106714377.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b490ee96a3e---17997964418.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076944039919---dozevewufu.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/202151292527305.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1cb306ad61---85798012.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b966d37e4---luzimeratebikebimavaf.pdfIn PDF document text
- https://press-centr.com/images/file/8164693819.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/1adbdcd8889d4897eb29d6cba37d8330/81107590458.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE632 | 5852 bytes |
SHA-256: 7208cf19c69604d21acb42247e9deb2131a7b5dd3e27a5e55d260761f9b350fb |
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font_01_sfnt_off0000fa05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA05 | 13360 bytes |
SHA-256: abb86beb897260b29d3c4a7ba50a852e68b380e3fffc290de449c80818007a7b |
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