MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://allytemp.ru/uplcv?utm_term=cbse+class+11+cs+book+pdf PDF link annotation
- http://akinmedical.com/uploads/file/67519778936.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/fa861c8d740e12fc25af44a19ae6d73c/tititufovumivurupove.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/g96pkbefdgivgn83fokeemisg1/bebutodifowel.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083338825a53---82540036336.pdfIn PDF document text
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/nibuwosixuv.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21967b4b59---vizoguwe.pdfIn PDF document text
- https://lentes123.com/aym_image/files/76634027965.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/74463852233.pdfIn PDF document text
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/42351344211.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/h64674aeh5ppmrivi8an6nof9d/dexamexefekefetexifeben.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/nebesi.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/8ikirnl53ds88bbrqng0ek5r8a/movezuwozuwozu.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/95831275033.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/c0f82697777ee74272c948d18fe7d692/13672321296.pdfIn PDF document text
- http://ahlhy.com/uploads/file/060907132638.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d68c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68C | 5212 bytes |
SHA-256: 36a2d419dcbef85672ebe3f09d2d3f8c6eed775eed5c8cbb0c62b727f50c92a5 |
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font_01_sfnt_off0000e85f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85F | 10584 bytes |
SHA-256: 1c5fe8b7a4390612f672ea7da2bcbb39d21032d739dd99fe2f4975796c847d74 |
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font_02_sfnt_off00010c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C95 | 3540 bytes |
SHA-256: a737b7a24d21aaf066171450ea722294ec3f808110e87a3766f0c0061f774b86 |
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