MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to PDF files hosted on compromised websites. The presence of multiple unknown PDF files suggests a potential phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4baade5a5---63232607940.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d6312add6---jenopogajexesefisurej.pdf
- http://xn--h1acbpobggs.xn--p1ai/data/files/tovetowuperoremoware.pdf
- https://cdmsig1.com/ckfinder/userfiles/files/jobosezed.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607797ee37d54---kekekigi.pdf
- https://worldmedglobal.com/userfiles/files/65913892841.pdf
- https://alakharia.com/public_html/userfiles/file/41003241813.pdf
- http://getampedmag.com/ckfinder/userfiles/files/72490125010.pdf
- http://sztarmedia.hu/_user/file/muxusenewobakotaru.pdf
- http://matras-devison.com/upload/file/pubuwinafe.pdf
- http://vigova.vn/Images_upload/files/risalobipev.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b16c1428071---21159217703.pdf
- http://rauvuonsach.com/images/uploads/files/nafegi.pdf
- http://vitanova-cattery.com/upload/file/42690486643.pdf
- https://gestionarival.com/userfiles/file/31128175916.pdf
- http://csc0451.com/userfiles/file/20210626050538_n1ivfp.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a99eb23c5e8---fipudagabawalutalalikusuk.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aabc42db746---66021318471.pdf
- http://dcbestwings.com/uploads/files/96885684104.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe13d29cd26---57373357723.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607013becc489---zubunev.pdf
- https://geniodelweb.com/file/3811490280.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=antonio+carraro+sp+4400+manual
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5da.bina1ef1a672729bb44d0955dc7ad26172959d6be0817ee6683933f8e5a3113ece2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DA | 19560 bytes |
font_01_sfnt_off00012964.bin7e2fd16ee18e4f2ba7e0c4260fb3ec9a85784a830fb9d3b0d76d6226d627395b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12964 | 10684 bytes |
font_02_sfnt_off000141f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141F7 | 16792 bytes |
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