MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to compromised WordPress sites, suggesting a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://philabc.ru/uplcv?utm_term=reaching+down+the+rabbit+hole+book+pdf PDF link annotation
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161303b9868bc2---6785882564.pdfIn PDF document text
- http://idcla.net/upload/files/buwatupiposorigurubi.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c9720ba12---puxaziw.pdfIn PDF document text
- https://linker.tw/files/vitofeni.pdfIn PDF document text
- http://divyabodhanam.org/userfiles/file/jifomedoripogofolezulexib.pdfIn PDF document text
- http://hnc2.com/userfiles/file/gonogifisa.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/7261611304.pdfIn PDF document text
- http://acutecardio.ru/sadm_files/jalosowubapepudawabi.pdfIn PDF document text
- http://rm-centr.ru/uploads/file/35786535903.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/2476125600.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f54ca26269---16847141111.pdfIn PDF document text
- http://olgapolyakova.de/files/files/wowowuxeg.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138aa60ef6b2---16014049729.pdfIn PDF document text
- https://il-gusto.com/images/file/figisumogudaxetoda.pdfIn PDF document text
- http://ltmetal.com/userfiles/files/4944944483.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/51972127482.pdfIn PDF document text
- http://studioiulianella.it/userfiles/files/givaniki.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/denegebona.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/20c7ee2f2fd464bc632239635efa7ef8/rijedo.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/kaxusijo.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133bc1e07d46---81215031671.pdfIn PDF document text
- https://asken.as/bilder/file/10866513776.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_off0000c92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92A | 18084 bytes |
SHA-256: 2d815573a9fbdd3b0250c943548f16e6f6fffe12ee071d3e263d22ee77150ac4 |
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font_01_sfnt_off0000f84c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11063 | 11096 bytes |
SHA-256: a05dd187c46e3edde718497d4adcaf2d66f424c406827bd5685cdc28fcf570eb |
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