MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV both flagged this PDF as malicious, with ClamAV identifying it as a phishing trojan. Heuristics indicate the PDF functions as a link farm, with multiple URLs pointing to potentially compromised CMS upload directories. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics suggest a phishing or redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/43cb6b7f83069ecc82fafb60f9fe6c7f/47155256282.pdf In PDF document text
- http://swissies.lt/ckfinder/userfiles/files/rodigisozapowi.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/53855312848.pdfIn PDF document text
- http://positiveforce.in/uploads/files/magavoperepogozaje.pdfIn PDF document text
- http://alvitraders.com/files/vanafosubakup.pdfIn PDF document text
- http://abwcolley.com/uploads/files/lutowesisedule.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/vovibufumud.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/tulizu.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/tatoxibaru.pdfIn PDF document text
- http://adriennemason.com/assets/files/mezeketaki.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/441165371.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/57dd85a60f4d172cdf3514faba43d50e/59315934212.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/wekaxep.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/ripozokolisumasupukidi.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388e14131c7---newugamelusaxon.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/dezowelolekajo.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/14132048347.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/2851845796.pdfIn PDF document text
- http://ayrh.internet-match.com/upload/files/98403498959.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/99deaaf6dad1d6f23f94728331f0d307/83001602769.pdfIn PDF document text
- http://studiofagiani.eu/userfiles/files/puzefimevo.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/c3ru97g6g8kfm62ujsb1oufk65/22066127062.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=the+new+grammar+tree+class+3+pdfPDF 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_off0000c955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC955 | 11076 bytes |
SHA-256: 5a6437d19bcbb08e2ddab02e58bb530a564e41d33417d4cfb419f35e0ecd3729 |
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font_01_sfnt_off0000e2e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000faf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF9 | 17748 bytes |
SHA-256: dc224f32e95f5706ae9fa8f187cfa413c77d0b05627460ba229ea744a2474df9 |
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