MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The presence of a link farm pointing to numerous disposable domains and compromised WordPress uploads suggests an attempt to obscure the final destination and evade detection, likely for phishing or 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 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://pixomot.ru/uplcv?utm_term=iso+player+android PDF link annotation
- http://etepi.pt/js/ckfinder/userfiles/files/59094683866.pdfIn PDF document text
- https://viceda.com/userfiles/file/tevisigamazugu.pdfIn PDF document text
- https://clickbox.ro/images/file/25665209039.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/puverunibotipeba.pdfIn PDF document text
- https://insinkerator.us/images/uploaded/file/17274632778.pdfIn PDF document text
- https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/dotadebiwabakez.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/12922714093.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5c5cf2eb1---zobifufagujewi.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161350439549d3---17547471551.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/pomizarebinibone.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba7b349771---17627128286.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/furisesekoxoketavaxemoliw.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/sojigobi.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab90ebd9bd---80917004761.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210914_63BA4ED34674AE8D.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/77894753560.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16145aa2e0f405---giwamis.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a70be797f---jexodibaxow.pdfIn PDF document text
- https://coil.hk/upload/files/7874724847.pdfIn PDF document text
- https://szpital-sulecin.pl/images/fckfiles/file/wanefu.pdfIn PDF document text
- http://hydrem.ru/images/file/95883234878.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/jamadasevadefosu.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_off0000d8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F8 | 18616 bytes |
SHA-256: dfef179b390c896a42d03ccbba0503964d2159d9636a433b0286e0d66263d0d6 |
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font_01_sfnt_off00010a52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12269 | 10352 bytes |
SHA-256: bb9b790133db63c0c9f20792f7716e5305feb1a33a0e7e314601ab1635f1dccd |
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