MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as Pdf.Phishing.Trojan. The presence of numerous external URIs and link farms on compromised WordPress sites suggests a phishing or malware distribution campaign. The document's structure and embedded links indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://allytemp.ru/uplcv?utm_term=multiples+of+6+up+to+200
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd289acae7---pivavotipigupokefurum.pdf
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/navuregep.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/bfe6a2a5fb1220439de8265454eb972c/sonataxaluxiboregizovet.pdf
- http://rogo-rotterdam.nl/files/15266924313.pdf
- http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/suguremolutoxuvibama.pdf
- http://kojeneckezbozi.eu/userfiles/file/3104112275.pdf
- http://stananddiane.com/clients/6/67/672a2699e369d648dd23e03de9deda78/File/zudazufuxiwifagunonava.pdf
- https://vannordenvastgoed.nl/userfiles/file/viwovawoxowigunorujawaziv.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/pc5dgretm7prbghjlkittdfd76/12513720825.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/034b9a3b29412c5fababa6ab75dd833f/lujexotatogok.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b3239a6f7---valomiridatekidisu.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/v44mhah5u34uf0e84olnrsehga/tikoput.pdf
- http://www.motorradfreunde-toggenburg.ch/up/files/3339377200.pdf
- https://ka-base.no/images_content/file/42352180062.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/112dc2511590bf365a7e92af82eea8ab/87560587672.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098713fac4cd---vavafomekotirugivurulux.pdf
- https://nanyangtextile.com/userfiles/file/wataruvakazexewokeje.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/gjrfu2tdcq8iu9epqul3e940v3/15039349268.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/of7i9l3qar336t4pn99qcggk7n/mebisogojemopojubuwub.pdf
- http://lawrence-spruill.com/clients/42275/File/24896255249.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9f4186fe---sixafemujowizadozigazukog.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/6b3c6100fe7b5e1410949496177b7759/12974683512.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_off0000f045.bince7af5f57fc85eee19379a6da81248de39459b360703335df2ab9608a7852a27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF045 | 10488 bytes |
font_01_sfnt_off0001084f.bin90a545da22e369c2a3d0a9f8139b595a27619c9665bfa36a8194376af75aa4c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1084F | 16336 bytes |
font_02_sfnt_off00013292.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13292 | 16792 bytes |
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