MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs, many of which point to compromised CMS upload directories, suggesting a link farm designed to distribute malicious content. The presence of embedded JavaScript and a high ML classifier score further indicate malicious intent. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly supports a phishing or trojan delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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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://chcial.ru/uplcv?utm_term=androrat+binder+apk+download PDF link annotation
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/6f31fe614eaec3491996b87a154ce66a/dakeguvurotij.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/83243213882.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/metanuwukos.pdfIn PDF document text
- https://daks-96.com/f/uploads/files/xofolin.pdfIn PDF document text
- https://partnyor.az/userfiles/file/vakenagujelupobubupedet.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b89255df470b081e3b0da7069914ea53/filomikikulurirovebara.pdfIn PDF document text
- http://wirheiraten.de/images/file/62789760749.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/rabanajejarejatejuje.pdfIn PDF document text
- http://alothongtin.com/upload/FCK/file/mapomerenenazoza.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/wakifobajasak.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/pemegili.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/suvupemebifipik.pdfIn PDF document text
- https://ikitellirezistans.com/upload/files/70436458117.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/55509623562.pdfIn PDF document text
- http://canadianrockies.ca/files/file/tijaseja.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/22001700638.pdfIn PDF document text
- http://abwmercury.com/uploads/files/rawofuwiwomojeb.pdfIn PDF document text
- http://hulstcustoms.ru/uploads/files/banofofozisemuv.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/e60ca906af01fe6fdf027e776b6e9086/pobofaxosonamat.pdfIn PDF document text
- http://insei.eu/userfiles/files/tizowunifosoxagetukuxu.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/lekif.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/kedugomom.pdfIn PDF document text
- http://s250801404.onlinehome.fr/img/uploaded/file/votilejarozewijakapu.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_off0000d160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD160 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE972 | 17796 bytes |
SHA-256: 78c199d92a4a8599b42aff25499b3b5d301465617f3f9cd46a3e5cf8f9d50b61 |
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font_02_sfnt_off0001178d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178D | 10516 bytes |
SHA-256: 5b94a6a7209c21be9894603f96ad866eac49eb13138f18bfcf022ae944e03599 |
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