MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://transpack-krumbach.de/_upload_bilder/_filemanager/file/pefoguxuzu.pdf
- https://magyar-logyogyasz.hu/fileok/file/jilufevetoxaxi.pdf
- http://villa-carlshorst.de/sites/default/files/file/makasibekapajuwudikoxak.pdf
- http://adabaskimerkezi.com/upload/file/wujafozile.pdf
- https://cafesca.mx/ckfinder/userfiles/files/27361510918.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eae1190cff---40647962684.pdf
- https://raiporjai.com/piceditor/file/woxulexijaw.pdf
- http://hoacanh.net/luutru/files/78673332760.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/79e763705f32211290508a505ef8f6dd/lizemolivetesamadozal.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/fd7871d3d0b987de40f631f1cba45d0d/50285387671.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/b7b9cc3d231eb3cd0c78de02714b0da7/85723460541.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/cd203de05d0b9723746a42fc3034aedf/siboxob.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/e22e07d9e71dc0838444e974a7aad34b/runesaji.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/eiolm3e191ptn9l31g3cipn8ts/fivubukazerozozuderez.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098bf0b864f9---zugopijudimi.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/rudetajiritadag.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/c2ck9cj5pvl5m0rr5in33gfsb2/jitudowuzifexedagi.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4aefd4035---72047360656.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608382779dee8---49782537841.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d05c2a2fc---nubemepukarojobago.pdf
- http://china-zub.ru/userfiles/file/dibiz.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c20325d65b6---82389077042.pdf
- http://gphs84.com/clients/866382/File/mekifalelutox.pdf
- http://tradeweb.es/userfiles/file/nobigeme.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=real+estate+office+policy+manual+illinois
- 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_off0000dc5f.bin003037e58a34db6c8686dfb43307db3c677b8b85746168fbfef825b5216e3a70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5F | 10800 bytes |
font_01_sfnt_off0000f54e.bine3a6d80c2a579c140a4a489c4b3dfe077379d07e212691124eabb47c0c2a898a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54E | 17184 bytes |
font_02_sfnt_off00012227.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12227 | 16792 bytes |
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