MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a tactic to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0d7dcf4d0---jakazonepunatabosefafek.pdf In PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbe2d16701---puzozinibu.pdfIn PDF document text
- http://vuason.vn/upload/files/dibezajogubewavosagadidub.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5a04b62f1---vopizabif.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-9-9/20210909085847458330.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/21457904017.pdfIn PDF document text
- https://n-vv.dk/userfiles/file/27139827075.pdfIn PDF document text
- https://signatureshreyas.in/userfiles/file/53966379318.pdfIn PDF document text
- http://fittbikese.hu/files/file/nemavuwuzuvonixezozuwetiv.pdfIn PDF document text
- http://futboltotal.net/images/files/46837269920.pdfIn PDF document text
- http://hqshop24.com/userfiles/file/tevusesiwavoluligupol.pdfIn PDF document text
- https://media-get.ru/userfiles/files/ledugedotawu.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613808a649ac5---36217725594.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/68566172354.pdfIn PDF document text
- http://stepasidemedical.ie/images/uploads/file/fosiwo.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/17581271702.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/94277620139.pdfIn PDF document text
- http://studionegrelli.it/userfiles/files/javisalizopupenedazana.pdfIn PDF document text
- https://shibbirs.com/media/files/72064489296.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/5751869247.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/vujavisizujakunute.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/39375323526.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/ledazabib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=eragon+eldest+pdfPDF 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://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_off0000f748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF748 | 19008 bytes |
SHA-256: d723e586c15aa62c9bab6115ceb785314a43e35223f7fd6bee7b43dbe9e23a2a |
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font_01_sfnt_off000128bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000140d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140D3 | 10564 bytes |
SHA-256: 6907db30575900473ae7dac9c79f22e3e72d2403053318d1cc186b48a473d337 |
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