MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains a link farm pointing to potentially compromised CMS upload storage and disposable hosting, suggesting an attempt to distribute further malicious content. The presence of a 'download button' lure reinforces this phishing-like behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://reliancefla.com/admin/images/file/2604306254.pdf In PDF document text
- http://ccsl.asia/files/wubesidafezakub.pdfIn PDF document text
- http://goraku-sangyo.com/userfiles/file/74659113633.pdfIn PDF document text
- http://naplesredeals.com/userfiles/files/ritebogexotusoxepajolo.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/38676264096.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/66813954446.pdfIn PDF document text
- https://rpaxis.net/userfiles/file/1782976561.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210921/files/20210921175408.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/87810670051.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614212bb25b28---rivev.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e53f96578---nudakurexikudofizepemut.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/74903069473.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/pixulo.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/66790953051.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a3350cc3f8---domoropem.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/91417747240.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210908155944584.pdfIn PDF document text
- http://sinproval.it/userfiles/files/3362710651.pdfIn PDF document text
- https://pixel.bg/img/file/mimewi.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109110225408640.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/gojufuka.pdfIn PDF document text
- http://mestan.by/images/file/bawekivutilikape.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=night+drives+book+pdf+downloadPDF 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_off0000cccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCC | 18336 bytes |
SHA-256: 2130d0107bcf2890284615ebf4e4be1beca2f6dedeb61f2d8238ecafa469388f |
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font_01_sfnt_off0000fc57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001146e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1146E | 11136 bytes |
SHA-256: d8269f07d81f0c005dfef0bff4f1a157470cd7c0e2b3a37f68bc33cc855f280a |
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