MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to distribute malware or conduct phishing. The presence of a URL with 'adele 25 full album download mp3' indicates a lure to attract users. ClamAV and ML classifiers also flagged this PDF as malicious, reinforcing its suspicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://synerhu.ru/uplcv?utm_term=adele+25+full+album+download+mp3 PDF link annotation
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/633a63a2a16d0209ae306bde8e083e2d/kesuwatavariro.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/9b9fd743a399fe601c4681e0626fe619/mafowasowudebiba.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/5774625166.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160949770d7264---kasavokos.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/2e4bbc5f3e591b4a50080e5b9257e98d/36493398881.pdfIn PDF document text
- http://anatolianlgs.com/userfiles/file/43339632465.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/4f08f887a5890089a705014e60c4d898/ravari.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/42418103864.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/846fc8face818c26a8a60b6bd5fe0ec9/22293017807.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/lirerukodexil.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b34a9175997---37288908380.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/37059279595.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/2a719384be592bc0e4fed049f2463444/47114137841.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C010 | 4272 bytes |
SHA-256: 37859a8f234490b8b78695104eed156e115ded1bbf01cd797e4d376fd75f266f |
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font_01_sfnt_off0001cf30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CF30 | 5552 bytes |
SHA-256: f5608f775ebdab46c3faa24c0642343cefea721e76f2ba01909dd632c153d90f |
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font_02_sfnt_off0001e21d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E21D | 16352 bytes |
SHA-256: 8a657182c831ae990e6a99000db87f8060c8a36abcdc0b6ad0f66c5493e24409 |
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font_03_sfnt_off000211d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x211D5 | 18560 bytes |
SHA-256: 9a5d8c3c6682dbcca8121daaa35375653e8778fba6cec8a00e191cccd2df26c1 |
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