MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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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 http://techbis.pl/files/file/21668215109.pdf In PDF document text
- http://risorsaterra.it/userfiles/files/padofuruka.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/pemurujisilimo.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/58050684496.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/24606066909.pdfIn PDF document text
- http://adice-area.com/pictures/files/rufonaxoxebowoni.pdfIn PDF document text
- http://autokolcsonzoszolnok.hu/admin/fck_upload/file/vowixojepowumuxidud.pdfIn PDF document text
- https://ikomsolutions.com/admin/userfiles/file/39064855600.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/rejidufokafipa.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/81092431122.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/36146830055.pdfIn PDF document text
- http://isleford.com/filespath/files/20210901104756.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/26594247432.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/f80e7e198e21a803da7dcb0378546d33/lobutuk.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613211ff70260---46368917550.pdfIn PDF document text
- http://mobiliteit.nu/files/14293522234.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/48311084746.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/45296893931.pdfIn PDF document text
- http://alarm.pl/userfiles/file/mibetutisipotej.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1630452125.pdfIn PDF document text
- https://ibextrail.com/editor-images/25974199185.pdfIn PDF document text
- http://trungtamsangloc.vn/uploads/ck_upload/files/20624004194.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/8896474304.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/nasixoxowan.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/ruzariruserexomemiba.pdfIn PDF document text
- http://dioblina.eu/userfiles/file/21901584094.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/sigosuti.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=oster+blender+repair+manualPDF 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_off0000e030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF847 | 10700 bytes |
SHA-256: 5c1e35946dd37fe7e8433f7592bbe09c0f2134750d3e91d1fa381a96e8db9938 |
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font_02_sfnt_off0001109a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109A | 17204 bytes |
SHA-256: 91af992cab440d076360b69321be2237c6ffa479ff2cdd5be079616e58c12299 |
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