MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to disposable domains and employing UTM parameters, indicative of a link farm or phishing campaign. The presence of embedded JavaScript and a high ML classifier score further support its malicious nature. The primary goal appears to be directing users to external sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://drafthe.ru/uplcv?utm_term=android+iphone+multiplayer+games PDF link annotation
- https://ww150007.linebot.net/upfile/files/20210910191116.pdfIn PDF document text
- http://reichspfarrer.sk/file/64636105661.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/48151654073.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613274fda73f1---26630410216.pdfIn PDF document text
- http://clinicaveterinariacittadivignola.com/userfiles/files/vowaxaran.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/miwezesaliv.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/74306766906.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/83001774818.pdfIn PDF document text
- http://telektrans.hu/editor_up/10236856877.pdfIn PDF document text
- http://hflbdq.com/uploads/file/170733345890.pdfIn PDF document text
- https://amursvoidom.ru/media/files/xakuxogosatogenapime.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/nikigowofowivud.pdfIn PDF document text
- http://boki.hu/editor_up/tuzebuda.pdfIn PDF document text
- http://talani.nl/userfiles/image/file/tewiwobilo.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/2543854831.pdfIn PDF document text
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/xazolunalibixopaxosaroj.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142a2e860c06---kevabexir.pdfIn PDF document text
- http://xecuoihuyhoang.com/uploads/userfiles/file/zekoxubosozudobepow.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/wemanis.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/18260499878.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/tipofitabavarenutudogovex.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/613486b3215c5.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_off0000ecf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF7 | 11032 bytes |
SHA-256: 8231e45aaaf0463c14453021cbcf984207fb28a09845ccf474e0838ac00715ec |
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font_01_sfnt_off0001063d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063D | 17408 bytes |
SHA-256: 25debfa8297c1ea8cfc3454df00763c9917c4199a2c8faec37e2c786b04b79fe |
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font_02_sfnt_off0001338f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1338F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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