MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://afghansolar.com/userfiles/file/14653714904.pdf In PDF document text
- http://go-forum.cn/upload/files/gezoweje.pdfIn PDF document text
- http://isgsrl.it/images/file/vukutazuroliwuzowagufidem.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/igcsri6qsf3uudf1pe5lp49756/juxowokebiteredudulujoj.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/16760967922.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135050ec9de6---potupewod.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/91053990657.pdfIn PDF document text
- https://standsimulator.com/ckfinder/userfiles/files/19118530867.pdfIn PDF document text
- http://umhouses.com/uploads/files/jigulukizoned.pdfIn PDF document text
- http://nwatchonline.com/userfiles/file/24470223743.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/kugow.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/wutefeda.pdfIn PDF document text
- http://sayarbobinaj.com/file/ditavivuwezifujap.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc1c6abba7---20956340124.pdfIn PDF document text
- http://snkpost.com/fckedit_file/file///20210909_18_33_47.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/68484254322.pdfIn PDF document text
- https://cahayamimpi1.com/contents/files/robos.pdfIn PDF document text
- https://svltv.in/userfiles/files/nokijat.pdfIn PDF document text
- https://go2germany.ru/files/file/xefewema.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/34925981668.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/2890068329.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/91363771703.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/dovobosimazizal.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=nude+granny+pornPDF 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_off0000b1d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9EA | 17420 bytes |
SHA-256: 26a9cfd77cb6813c46858170e9fb8a3acd7c38ace6d254c15e48855f8b545f3a |
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font_02_sfnt_off0000f659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF659 | 10352 bytes |
SHA-256: a304fba033f24a0d53b46dad98ca7fa65f8efccda8aa9710cedca172603bfffd |
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