MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised websites or disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing or trojan variant. The presence of numerous external URIs suggests an attempt to redirect the user to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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=example+of+source+in+communication+process PDF link annotation
- http://musorcentrum.hu/files/article/file/merabofetusoriwenejir.pdfIn PDF document text
- http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/55608469353.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021082210034673499.pdfIn PDF document text
- http://ahkjt.com/upfile/file/bogitiv.pdfIn PDF document text
- https://mgogs.com/mgfiles/file/7622118004.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/c9e5368c19ec80826bfb260363c39c93/16348678687.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/86167079363.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/47709663397.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/92ca82a853b1a8adf893c21cc0e068e8/rumagosogawaxil.pdfIn PDF document text
- http://grupophi.es/uploads/files/18377412257.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/2117900996.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/waxubanepuferatete.pdfIn PDF document text
- https://domilot.com/uploader/files/dujob.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986a8a18357---siselefesalavofiwofepesup.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/d2522a939b2aebd2ccafa178856ac1c5/limajufuberumad.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210829_BD7DE73F29A60440.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/zinufedalik.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/xologokeralusexe.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c96c7d5de2a---vakegomo.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/41777650005.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/pubafanudegobivenadogoso.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/7510287506.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_off000100af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100AF | 18452 bytes |
SHA-256: bc92e112f71f80eb61015f9d43193c0e335b9a3093ecb3795580d9966960fc5a |
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font_01_sfnt_off00012fcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FCB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000147e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147E2 | 10828 bytes |
SHA-256: 4f3320bd5160c299ca2b4b43d18b1ccddf80d064bb7a673afad35ac48621e184 |
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