MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript and is structured as an image-only lure, typical of phishing attacks designed to trick users into clicking a link. The embedded JavaScript and numerous external URIs suggest an attempt to download and execute a second-stage payload. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://huntic.ru/uplcv?utm_term=klondike+hack+apk+download
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/djhmf6b1m9qbrejrdupca1hopg/76840879848.pdf
- https://lentes123.com/aym_image/files/nezepi.pdf
- http://rejs2013.cycling-recycling.eu/imgturysta/files/nijunodinabafa.pdf
- https://ddtoyz.com/ckfinder/userfiles/files/popuzajujutini.pdf
- https://iphone-odklep.si/vsebina/5119094558.pdf
- http://kondicionery-noginsk.ru/upload_picture/file/tudipevotukarar.pdf
- https://kidneystonetreatment.in/userfiles/files/xivebomagaxupiwut.pdf
- http://chipmax.in/chipmax/ckfinder/userfiles/files/58225409438.pdf
- https://meridianchem.com/meridian/ckfinder_userfiles/files/32519017723.pdf
- http://ontis.sk/editor_uploads/system/files/5263101110.pdf
- http://xn--h1acbpobggs.xn--p1ai/data/files/97232644807.pdf
- http://namhungholdings.com/uploads/ckfinder/files/98451940033.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/5206657c7b71cec5a934511bbdc29aae/47521370020.pdf
- http://yonseri.org/userfiles/files/66027628758.pdf
- http://ruihuitax.com/files/file/52878105092.pdf
- https://movimientofamiliadejesus.com/images/uploaded/file/85740502171.pdf
- https://kultmotor.hu/images/files/tufemikogilizulozimidiga.pdf
- https://jeneifogaszat.hu/cikkdata/files/44312317661.pdf
- http://eternalcycle.com/FCKFiles/file/rabobavekelakubawi.pdf
- https://mimpishio2.com/contents/files/borixopuzutaruwezeni.pdf
- http://thevalleytrader.com/files/36591542978.pdf
- http://hmconcretemixingplant.ru/d/files/naxigu.pdf
- https://riosemarescentrodemergulho.com/ckfinder/files/velutoxotus.pdf
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/lugijowevuzexevufevafe.pdf
- https://nwdglobal.com/ckfinder/userfiles/files/wimifanirun.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b108.bind588268de1cb022d1e62620117cf0f7a454add41981e9fd7bf1e1ab9ee90846c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB108 | 14644 bytes |
font_01_sfnt_off0000d5d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D2 | 16792 bytes |
font_02_sfnt_off0000ede9.bineb01c1a9d70717204d8ead4cb7af66dd25950cb67d822e6366a923bfd7324fa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE9 | 10412 bytes |
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