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. Several heuristics point to the PDF acting as a link farm, directing users to compromised WordPress sites. The presence of external URIs and links to known compromised CMS upload storage suggests a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and URL targets are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://allytemp.ru/uplcv?utm_term=best+defense+th5 PDF link annotation
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b80312beeaa---kemota.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3913470f1---nakanigula.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/f4ae0799712dc0de966413c1e76d7169/gegeparexifufazisubo.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e628f41497---wegimopegixapoved.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160966a62542c2---vapevurekuvuke.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/f28920782e140776aac6c356023a78cc/67558900114.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad514ee16c---97072314986.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/eec66c5c5ecc85e7a11d8c4685380528/82833419809.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/24f7e6d762329591a29cb1adc4b09c97/34933164243.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/48589516267.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c9fada50b---pasefit.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc34c5bb93---mexirerasuku.pdfIn PDF document text
- https://p99.tw/pro_pic/files/vepimebotigiwatowalodowim.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/23148317355.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/08d2b3aec54d4552139e8cb03bd47a9a/lawarewofedepe.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_off0000d9e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E2 | 4828 bytes |
SHA-256: 797d075e9e03d5a8635945289d96a35d3b9cfd2040409ee07436aee3d30f7e3d |
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font_01_sfnt_off0000ea5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5C | 11000 bytes |
SHA-256: 218696e1601951682c9df271ef16cca6f340f8c0bb6d58e81e67ad55ee2683c0 |
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