MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely intended to lure users to phishing or malware-hosting pages. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an effort to manipulate search engine results or track clicks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec3f45089a---87346177895.pdf In PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/qaegs4p95tqh0o7a9ij9j59foq/zudebodukesagaromofubugol.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/malirubakuvanifo.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/tvqatou5baf0dvd031pj8omo6q/rawek.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/2jcpr27mouvur0i6j1vhr6eucm/lakalajivajefapabowebani.pdfIn PDF document text
- https://mmszke.hu/files/file/15993868709.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/woxagulopunabu.pdfIn PDF document text
- http://dashoernerboot.de/userfiles/22027074389.pdfIn PDF document text
- https://dichvumayphoto.vn/webroot/img/files/foselanusixidex.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609311de568a8---puzenagusi.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/zivufebofup.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/27336094929.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/81852984098.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b787cf541d2---tometajosukegivodak.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3ce2f72041---96753844797.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/99803030129.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/67728919017.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/kumebi.pdfIn PDF document text
- http://serramentisiciliano.it/userfiles/files/pogalofasiwixa.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/kjmo6ie17crjqd4rs6j2jkjf11/63739877730.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073af3db5b66---juzaw.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/22693155247.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/fe5ee5edada0e2007812a848deb90cc4/91336242326.pdfIn PDF document text
- http://hawks79.com/clients/85064/File/lojivakoramajofawis.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=tyler+florence+berry+triflePDF link annotation
- 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_off0000cdbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBD | 10216 bytes |
SHA-256: 6669e42c158c0396b04bd61f6b54caecfed59ece133e08c3c0b2bd2151d0bb58 |
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font_01_sfnt_off0000e4cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDE | 16252 bytes |
SHA-256: 91f56fcee0736684066286f37fdd803a6030fb72e8ddd2317160078f048f3ec9 |
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