MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to host and distribute malicious content. The presence of numerous unknown URLs indicates a broad distribution effort, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f45345db46---rabivufapimenogukiz.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac13a208e9b---bigutoxizigalonaxorow.pdf
- http://lblussana.it/images/file/43208511330.pdf
- http://batiment-tunisie.com/userfiles/file/lijilu.pdf
- https://callalilyvn.com/upload/files/38392653663.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a24d65393c.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/tp716iti8i5t1basonlkttmbju/sigorebadasib.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/640d676ef40221612b5535796d483237/56939403161.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703e566f67c---fusiraguwumegum.pdf
- https://bem-sa.com/img/file/mizafuseviwazedavesa.pdf
- http://jtipartner.com/ckfinder/userfiles/files/23701416190.pdf
- http://toyotarentcar.net/FileData/ckfinder/files/20210621_5E2C2123F090923A.pdf
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/14555947656.pdf
- http://thuduchouse.vn/pics/file/70409583693.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bac773aa9d3---20444915470.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d43d88d43---39339361168.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3b9414a7b---3401056540.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a95ef6b642a---kuzapesonufusenakikok.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a29f64c394e---72780276330.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160dd776a3dc00---wapot.pdf
- http://metallpress.info/files/77177550249.pdf
- http://auto-spec.ca/fck/file/zavofuwufebixaxodol.pdf
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ju5b5jt2g2pvfgnevlobnlgh6/niwunubijapipuba.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=tell+us+about+your+previous+work+experience
- 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_off0000ec03.bin904c6090273b6da3800b8a9c1ae2c49ab4f36f12060c3ebcf2a2037f18c2346e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC03 | 11028 bytes |
font_01_sfnt_off000105b6.bin55765bca7a9c260a791742c1bc8f93a40c4eecd7fa4a2d0550376509d5b5d1cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B6 | 16420 bytes |
font_02_sfnt_off00013042.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13042 | 16792 bytes |
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