MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The heuristics suggest it's an image-based lure designed to trick users into clicking an external URI, likely to download a second-stage payload. Embedded JavaScript streams are present, which could be used to facilitate the malicious action.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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 1 text block(s), carries a click-outward action, and is only 67 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 http://ciccioinpentola.com/userfiles/files/41570862139.pdf In PDF document text
- http://xn--12cf1djdb6cbcafdbu1f1cudgcc8am4wf7htgd9de.com/ckfinder/images/files/81128534997.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210904063628.pdfIn PDF document text
- https://episcopiaoradiei.ro/files/29230609579.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/23696201799.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/56862515271.pdfIn PDF document text
- http://brenderup.ro/mm/file/12197774484.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/70279236589.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210904043528.pdfIn PDF document text
- http://quimis.org/js/ckfinder/userfiles/files/fitodero.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/96005718957.pdfIn PDF document text
- https://matricula.arendic.cl/files/74513111962.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/8530758193.pdfIn PDF document text
- http://encino.ilovepokebar.com/uploads/files/vezenipunufujefunadimivul.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/af208cff8844f1f518225c18f75eecc8/xurazosufetatubaposemev.pdfIn PDF document text
- https://mar3ol.com/Files/files/57171083783.pdfIn PDF document text
- http://lactopad.com/uploads/files/38862241081.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/nujewodufixixagak.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/pupelokodugowexak.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/93753385909.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/44881849511.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/95676584188.pdfIn PDF document text
- http://0048.pl/48files/file/wigozelaliz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=the+beginning+after+the+end+book+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_off0000acb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4CB | 14260 bytes |
SHA-256: 71a4995cecf3edf8383beb764862fb7106a4f8a84e73b005923989e5fbc60800 |
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font_02_sfnt_off0000e850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE850 | 10756 bytes |
SHA-256: 8716af35959c71244ffd4aa7b865debd036e3751491a33e2415d1e800deb9d4c |
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