MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and links to what appear to be compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics indicate the file is intended to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://archism.ru/uplcv?utm_term=yunus+%C3%A7engel+ak%C4%B1%C5%9Fkanlar+mekani%C4%9Fi+pdf+indir PDF link annotation
- https://aimara-bg.com/userfiles/file/57005394173.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7da3a149d7---27909864765.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/fd5a94d9863d47fc01acd9d8209ff59f/vawewepipolevibusiwela.pdfIn PDF document text
- https://nbcmedia.vn/ckfinder/userfiles/files/18030593018.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/1jsav37rjt7mpdv0h8c062f9lc/nabozetivegexel.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/4c8747764c317774b26d148a8454e778/tadobetapuxa.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/83244547365.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/mulirexaxelurewelutevipup.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/viberodupubukoxofakuwe.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607323ccb2f5b---pakepimuzukotuwux.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/f181b59bde8fd69f2b7694a874fc24da/nanovemaxef.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/75530952532.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a468e0ac1e0---64883473773.pdfIn PDF document text
- http://daikinhbac.com/upload/files/fetusonoxewemo.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160971a425d2b9---kobanesaxe.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/77522812388.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160f254c256d1b---gutolakolupizozamaguto.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/bdfe7c6e2f4d6654fb048ae57b3a92f6/17466146218.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/4e1c16ac63262cc0778d79e04efd5223/tegizasix.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607168c7bed2d---jozulomamutibewatofepened.pdfIn PDF document text
- https://mattress-leader.com/media/89065385666.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/icmggt8btl31s0rp741qdrelkf/58931873989.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/duzax.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/6df61326abec0d0836eaeeeb46a56766/35271582758.pdfIn PDF document text
- http://jogforbigt.com/clients/6/61/61f7a61d17da296148a50ccd59c4a139/File/89610870088.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_off0000f209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF209 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1B | 18800 bytes |
SHA-256: 180d1a7144660d0067b071e47344d8c7456013778c6d95026ae8f4f03450a141 |
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font_02_sfnt_off000137d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D5 | 11516 bytes |
SHA-256: afa71c64cdb0ab5380820a62e12731f3410ae39d42a1c0d3a43efb9e4973f15e |
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