MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://moawin.org/editorfiles/userfiles/files/jusonizozozutodo.pdf In PDF document text
- http://annandale1963.com/clients/69704/File/lamufi.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/90730174420.pdfIn PDF document text
- http://delshadian.com/public/userfiles/file/xasuzuneliwixujesaxax.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2b98530ad9ab74825bcd48887e88181a/33828491000.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/8abe58d8e9fa0ac5ae42611f069d14c4/wojudirefukogubido.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092c6ce62916---68850793196.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/f11774f4290b294e51fb781689b13962/pizodatutekuboviregilu.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/924d5a69ef75e89bc153b62e903117a4/zafapajumutidopinen.pdfIn PDF document text
- http://wonikquartz.com/upload/editor/file/1627319926.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160db44723c29f---36670102139.pdfIn PDF document text
- https://www.groupenahno.com/wp-content/plugins/super-forms/uploads/php/files/hdh234brh1kc45svl6p95uht6c/kaxasenelilagekujepowo.pdfIn PDF document text
- https://inncredel.com/uploads/87417595179.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-5-25/20210525100157891075.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/nenul.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/91112511790.pdfIn PDF document text
- https://ckmandarin.com/uploads/5326098719.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb1ec68ede---rawubiru.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/9668817369.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/4brcjpt16meuvlj0i54ielnee6/7080438305.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/26914522298.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+descent+2+full+movie+download+in+hindi+480pPDF 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_off0000fd04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD04 | 17292 bytes |
SHA-256: c2f6dd97d78b6b484333d7f709a54fc76a448db03d1f4cd44a8195ff1f659fc5 |
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font_01_sfnt_off00012a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001424d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1424D | 11528 bytes |
SHA-256: 300445c53e834b14a2861afc1e2cc5c4f6f2975b53d0402859ad715def688b7d |
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