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 and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://crysiq.ru/uplcv?utm_term=fifa+women%27s+world+cup+2019+draw+pdf PDF link annotation
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba198b4688d---bafuzoriku.pdfIn PDF document text
- http://wjcopy.com/upload/files/44193694579.pdfIn PDF document text
- http://houselandia.ru/files/34041456846.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cd2e758308c---5128330240.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b8e7e76d930b692402fcbd70b84470e4/najiwufak.pdfIn PDF document text
- http://jowinbio.com/upload/files/202108202223199212.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/rojafizadek.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608292de5d390---zijasalonuwuxeleludad.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/1d5dec6b0b12f6d219c7d65ec00f65c0/zagekuzedaregas.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/sobekepegugenab.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ef358b11b---pesirukezarexofunof.pdfIn PDF document text
- http://hermandadperdon.es/userfiles/file/49330687759.pdfIn PDF document text
- https://tl-systems.hu/files/files/77812416913.pdfIn PDF document text
- http://domosplast.hu/files/file/75522528208.pdfIn PDF document text
- http://namlongprojects.com/images/uploads/files/diranugamugekopovoruno.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021082919183720.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d6e475837---62495512233.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/lsm8d4m72qk998v60mj7l8juvh/dosijinub.pdfIn PDF document text
- https://888nv.ru/userfiles/file/kelub.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/24212074118.pdfIn 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_off0000d316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD316 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2D | 11340 bytes |
SHA-256: 9db3073337b1cd9972b1a192925a39a39df990d8606bf211cb443b1a030ccafd |
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font_02_sfnt_off000105f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F3 | 18704 bytes |
SHA-256: b1046673291e80dc623f5d40c949a9daed83c01f3e7a013bd5d953d46bbe649b |
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