MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting. These elements suggest the PDF is designed to redirect users to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://archism.ru/uplcv?utm_term=put+music+on+android+from+itunes PDF link annotation
- https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/vawenebupaxewuzesoji.pdfIn PDF document text
- http://barcabianca.eu/upload/file/9913142355.pdfIn PDF document text
- http://bilateralmatters.org/userfiles/file/luvakil.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/33486815907.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/32999829768.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/verepoje.pdfIn PDF document text
- http://aygroupmuh.com/image/files/61264990258.pdfIn PDF document text
- http://claudiamelchior.it/images/file/puvixuzi.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/44719496619.pdfIn PDF document text
- https://phuquiland.com/upload/files/45938163815.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161477ae12f678---nepejipakaxu.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/45509449970.pdfIn PDF document text
- https://juvelyrikoscentras.lt/Files/file/nevewekijusigajuzuwa.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/xaxanefikoravafabobogev.pdfIn PDF document text
- http://cafesezony.ru/fck_editor_files/files/49917489586.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378c5bedefc---beleziximemaxupibu.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/wakevukuriv.pdfIn PDF document text
- http://mrcookie.tw/upload/editor/file/181448118410.pdfIn PDF document text
- https://chingchia.com/uploads/files/202109181609087942.pdfIn PDF document text
- http://ferien-in-zahren.de/images/file/pakixemuvozapusepun.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/smsj1agu6a1nip1h3b0s64d8ro/21158056238.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139945c78403---13351296501.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/70262202823.pdfIn PDF document text
- http://reicar.dk/userfiles/file/9278812571.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/jitevesorudobesaganubawe.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/90641275218.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_off0000d923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD923 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f13a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13A | 10692 bytes |
SHA-256: 63130e2c8438ce5727d4c541dfc5a65cdb52b9d210c78527c6c4043013040e14 |
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font_02_sfnt_off000109c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C5 | 17612 bytes |
SHA-256: dce05d6e197f2325b66e480b7f8abca8570ffa41251c95925e047324e0918908 |
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