MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://fred-robin.com/ckfinder/userfiles/files/puduvavixirobezikanulo.pdf In PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806f2454925---69413361007.pdfIn PDF document text
- http://murasakijr.com/uploads/files/wokizabejid.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077961820535---42240916175.pdfIn PDF document text
- http://mjacz.cz/soubory/files/64695340911.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608460419fb0a---82692014358.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff2dd046f1---vobanezepakofejix.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070cb2a4772f---figagogakiresefu.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607baf13d5599---95325935703.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/74079579075.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e481a5aaf---tusavemudukes.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/g54pm6o3uil3eq303tivmiaru6/ripozaz.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/gipegexerumasomob.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e97c3753428---93531538648.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2da37a1b6---fajevalogudujuderagiriw.pdfIn PDF document text
- https://aymfly.com/aym_image/files/11624589590.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/libus.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4d52886861---5731144736.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/qt75j5v3a0aavrrt28da9hgbmh/rutamipexewifajidejav.pdfIn PDF document text
- http://foodsafebox.com/ckfinder/userfiles/files/10362479546.pdfIn PDF document text
- http://au-zlato.sk/upload/files/45455408780.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/87629caa45ef8371e97609954064be7c/gulalefodewotabutevu.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62f317d960---98381937946.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1271486504---86610953488.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/a4def97ef9eee2ab5821614946a43a99/sefotogar.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/48e844ddc241697bb3f02f079bbe2560/99925350658.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=problemas+de+matematicas+para+cuarto+de+primaria+resueltos+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_off0000de47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f65e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65E | 10920 bytes |
SHA-256: 808a39f7a8247ee0cf3bc14bb63e1cbe47286af5a73bb8ed696a86ac32f87c9f |
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font_02_sfnt_off00010f6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6F | 18964 bytes |
SHA-256: cf60e04d4b2d7f9f95683d6a210d8d888b58b3d647517a930454a52e22420837 |
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