MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs point to various PDF files hosted on potentially compromised WordPress sites, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
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://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/9a587f9fd6fa4bb49e7e33024f925c66/jovinidibo.pdf In PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e4ea73e91---40346515118.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/18216336913.pdfIn PDF document text
- https://spacio.hk/attachment/file/nadawuzizo.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/de2e1da818b82f58ff23f2efaf55100e/39861904748.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/lebadifasonozumorik.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/fvm04m28hgd2qofh1dj793gitv/48239974280.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f631c4a722---22190392801.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/65948742949.pdfIn PDF document text
- https://ipic.vn/userfiles/file/2331894416.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/welanoz.pdfIn PDF document text
- https://turkihale.com/userfiles/file/vubin.pdfIn PDF document text
- https://susta.vn/userfiles/file/widevikin.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077b674d135d---zaxojexubulipufoxutisu.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/59679165982.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/a67b41294e8a9f83589d1b10334d7f12/rasewawapediko.pdfIn PDF document text
- http://thedreams.cz/files/162759912.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/dt1i8652tlk3722naj744tj4l5/1051020061.pdfIn PDF document text
- http://frangarcia.eu/upload/file/2792747260.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d962d00f280---46846364647.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab231bc67d5---jaxit.pdfIn PDF document text
- https://arhometutor.com/userfiles/file/4007522932.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/ropejifux.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8a11f77769---96759744450.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fb42ba408---wugimamiwelodu.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079f7d0c2b97---gelefot.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=bpd+without+angerPDF 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_off0001605d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1605D | 17304 bytes |
SHA-256: 9244a1c043cdcf3f4b70a31aa03cb8f4a280ee8e1328e704e5a2977748413c30 |
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font_01_sfnt_off00018d87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001a59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A59E | 10696 bytes |
SHA-256: a8cde3bef67f573c9db9ed5727c1f94e6bd1fddf90865ee88325e50c62ba6ce3 |
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