MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://everywheregenes.com/uploadfile/qu26_qu106_com/files/69649158775.pdf In PDF document text
- http://ondamarinarest.com/upload/files/kilagaxoseg.pdfIn PDF document text
- https://democv.associasuite.com/imagenes/contenidos/files/34594229275.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/jofijolerimiro.pdfIn PDF document text
- https://pellevah.com/upload/files/lazinopilasikuwavaretadi.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/a2ae5439689888ded0f6b80abb4b0e12/26335004018.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/pejaxux.pdfIn PDF document text
- http://protectakoteasia.com/ckfinder/userfiles/files/kuvaxam.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/kejijakeravuxevob.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/29443556405.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/fukusavibep.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/vilevefirabumitizanu.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210904231625.pdfIn PDF document text
- http://kondicionery-noginsk.ru/upload_picture/file/96337045272.pdfIn PDF document text
- https://lbjgold.in/ckfinder/userfiles/files/vimusurunupisuf.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/29983872756.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136d48c5a7b2---zeteganosusofaralajuzu.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/mipizarerigazazani.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/59382779390.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/75603224310.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1612fddedac2f5---52051287481.pdfIn PDF document text
- https://peiitw.com/Upload/ckeditor/files/jijegaderugo.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/17041510803.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/72194968997.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=mega+man+x3PDF link annotation
- 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_off0001034d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034D | 20020 bytes |
SHA-256: 7ede4c87994a3e1df88881fb15e1455f308981fad6c44a00c1d1e40b717ea168 |
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font_01_sfnt_off0001383c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15053 | 10096 bytes |
SHA-256: 8e638aee66f6fbebefe239e2bb159dca55a836cde34374271619e2e9a9e69bb4 |
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