MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier with high confidence. It contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the nature of the URLs and the heuristic firings indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
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://soba05.org/wp-content/plugins/super-forms/uploads/php/files/068f3b33953a9bfc91572fcbb98e67b1/52687365585.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/cbrhpa6u5075ot95p3isalfghv/44039347551.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/90c7v9cuck2nhdkkrvic121op3/rolas.pdf
- https://visionbrindes.com/admin/fckeditor/userfiles/file/jojokadagutim.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609caf8c5d15d---tojerizumafidatu.pdf
- http://dishandspoonproductions.com/ckfinder/userfiles/files/xamonefakixime.pdf
- http://grandbarnettfamily.com/clients/a/a0/a01b80d98e57c38af56892ab55e7d82f/File/90126224452.pdf
- http://www.aportecnica.com/imagenes/editor/file/figitizaxumakobazixu.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/nvhdrqgr8t1q1agpbibi3464d7/mowopiwumuloperifega.pdf
- http://alexanderjamesbackcatalogue.com/userfiles/file/rasatex.pdf
- https://nibrasimansch.com/userfiles/files/83012340215.pdf
- http://geometrabottero.it/userfiles/files/71117616833.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7acd381d---vomaroworevi.pdf
- http://maristaslardero.es/userfiles/file/68885313432.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/h8mm6a6mjvaggpt8qi7ha72890/xexarojometixivelafer.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3bab9a896ab9d36af9d155ca4248ff76/zugasiwuxo.pdf
- http://didopack.com/files/setapal.pdf
- https://dichvumayphoto.vn/webroot/img/files/74779122809.pdf
- https://isosklo.cz./uploads/sanutuweduxoduwu.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a055ea7cbc---kirupi.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/vrgqn27io558n9iae7h5smhfrm/20082955475.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/nekajufamutuzenojapovulav.pdf
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608061483bf6a---92674277352.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160dea264c9e36---fazutirigogaleritub.pdf
- http://wanyuantemple.tw/userfiles/file/5664022906.pdf
- http://akinmedikal.com/uploads/file/raguwedenojarijubakumij.pdf
- http://vinmexindia.com/uploads/bazipivulavojamuxuzomot.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=separating+documents+in+pdf
- 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_off0000c342.bin63ad1731cfaa12c0ec1f5353f8c854a6ae95a803d884cb19edda22352492359f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC342 | 11092 bytes |
font_01_sfnt_off0000dce2.bin35fae6f12e74eeefbc30fd6296ee72e6f1f31de8f1beb727fb4e00c9100388ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE2 | 16592 bytes |
font_02_sfnt_off000106ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106CE | 16792 bytes |
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