MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm designed to lure users to malicious sites. The presence of these links and the nature of the hosting indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://alternativi.brtim.com/uploads/wysiwyg/files/60229893973.pdf In PDF document text
- https://tele-video.ru/upload/files/munotexopelidegaj.pdfIn PDF document text
- http://psychologadamczak.pl/userfiles/file/zilagiwolezukuz.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///mikazapake.pdfIn PDF document text
- https://stcc-sa.com/motakamel/Ups/files/27626537258.pdfIn PDF document text
- https://fuoriscena.eu/file/vamud.pdfIn PDF document text
- http://autosvilar.com/uploads/ckfinder/files/92625767545.pdfIn PDF document text
- https://wojczak.pl/userfiles/file/povuvabixazobijumi.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/lixulikoluwujogarupuvapu.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/5udhvt9ctdmi9sr4cf4e2trshf/68334648425.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/259519745.pdfIn PDF document text
- http://inruho.ru/ckfinder/userfiles/files/13158475738.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613879b0050bd---74524600432.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/nuvogalinitusi.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/93825953074.pdfIn PDF document text
- https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/losivexakipod.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/durufomixupoxepa.pdfIn PDF document text
- http://hongdacable.com/d/files/15291926672.pdfIn PDF document text
- https://kimcert.net/E/file/nitenavifedodadikukefiti.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142a355829af---gapiguzenipevomuvagime.pdfIn PDF document text
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/najunetitu.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/kedujerizixegexozeta.pdfIn PDF document text
- https://birotex.rs/images/files/99175049073.pdfIn PDF document text
- https://encoyun.com/calisma2/files/uploads/sivagapavimin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=windows+10+32+bit+iso+download+freePDF 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_off0000e0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8EF | 16616 bytes |
SHA-256: b10cf52f84225003118cd0ac82a171688b46797627ed2c12d15dc132bf851c46 |
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font_02_sfnt_off000123de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DE | 11032 bytes |
SHA-256: 82aa74db1b32d17994bb9f2fe1bee467e76647b51e33555724b7d6c805ae4ad0 |
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