MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://yjccnc.com/upload/files/gukulegasi.pdf In PDF document text
- http://accronline.com/userfiles/file/fumudiza.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2eaa1c13---reberesosorajavuwoxelevux.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/devoxefoxu.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/62a965832acc678d87f9d93d44b9a62d/lagizagobik.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad1cc1786e---bewupojuvezipuzexo.pdfIn PDF document text
- http://canxetaidientu.com/images/file/84794700714.pdfIn PDF document text
- http://controlsystemco.com/cache/fck_files/file/bijafiluw.pdfIn PDF document text
- http://stratford1980.com/clients/1/19/19838be1bbe5684469623718d5e25b5d/File/39675382926.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/e8b103854613283fbd9f32b9ac0f456b/temavisugogofudab.pdfIn PDF document text
- http://studioturina.com/userfiles/files/puxuta.pdfIn PDF document text
- https://amursvoidom.ru/media/files/noxopegareguwuzino.pdfIn PDF document text
- https://blogsma.com/files/mibofatubuvereref.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/24765473447.pdfIn PDF document text
- https://mimpi1pusat.com/contents//files/69980860804.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/a745f715c9cda3eff3cc2a0119f48ca4/46406116277.pdfIn PDF document text
- http://analogsys.com/uploaded/file/7993447976093176d1d4da.pdfIn PDF document text
- https://hostmegasoft.com/calisma2/files/uploads/pupixasalizeluforof.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210702065906_nrc0o8.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/67697551055.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/71059281782.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=traktat+o+%C5%82uskaniu+fasoli+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_off0000ecd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD5 | 17740 bytes |
SHA-256: 851c53a03fb491485a9a95b5796f121904ac77778604f89e14069e86b2dd9f6d |
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font_01_sfnt_off00011922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11922 | 10584 bytes |
SHA-256: 4870716f8b650bdb78289b67c063eacaa9fb8c9128643431fb167155eb54f96d |
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font_02_sfnt_off00013170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13170 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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