MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely attempting to trick users into downloading further malicious content or submitting credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=pharmaceutical+product+development+by+n.k.+jain+free+download+pdf PDF link annotation
- http://polesprogettazioni.com/userfiles/files/84927827715.pdfIn PDF document text
- https://pastelbuilders.com/userfiles/file/77675080171.pdfIn PDF document text
- http://ambulatorioveterinariomariani.it/userfiles/files/rapidowedeles.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210906_231127.pdfIn PDF document text
- http://vina2002.com/uploads/files/71458611306.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/23181721644.pdfIn PDF document text
- https://topconta.ro/userfiles/file/1988016932.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/27611317470.pdfIn PDF document text
- https://ebooksweb.net/files/file/94286927113.pdfIn PDF document text
- http://encino.ilovepokebar.com/uploads/files/29887377347.pdfIn PDF document text
- https://jagamimpi.net/contents/files/tumirasomeri.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/91565283992.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613707c39a3df---gizodidulurojunelu.pdfIn PDF document text
- https://capital-publishing.com/ckfinder/userfiles/files/55600842436.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613841d02611b---xubopejesib.pdfIn PDF document text
- https://beruanglucu.com/contents/files/15618002861.pdfIn PDF document text
- https://responsible-tourism-alliance.com/content_file/files/47459858094.pdfIn PDF document text
- http://ecohort.com/userfiles/files/momobazuvebujoma.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131aae3ae1a6---66411153781.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/88117942274.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/pajoruw.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/wiwor.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/39557868644.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/minopis.pdfIn PDF document text
- http://decorstore.eu/upload/file/viwukefez.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_off00010375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10375 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8C | 11512 bytes |
SHA-256: f0b365b6cdeaca16487159bbacc94d8244d658dc04575cc72c7d5b032dccb67b |
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font_02_sfnt_off0001366c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1366C | 18716 bytes |
SHA-256: 0a7b6721ebfdc06032a47628b1e201451a293fb2dd76716131d62150248696fc |
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