MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF acting as a link farm, directing users to compromised websites hosted on disposable or potentially malicious domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074db66d4098---39023099213.pdf In PDF document text
- https://bushregenerators.info/userfiles/files/25496427301.pdfIn PDF document text
- http://bociany.sk/media/file/jejagagisipepameteti.pdfIn PDF document text
- http://baggiez.net/userfiles/file/nisefewa.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021081212501289.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/savubami.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/liwajotovarofekevilolog.pdfIn PDF document text
- http://machinegroup.ru/img/outer/files/62474573582.pdfIn PDF document text
- http://fgosvo.ru/files/files/25091186601.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/juvijodukukimi.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ffb6c5308e---14240421474.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/c0e7f543f02874c2332530a9a1e7d108/14992352748.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/b442f9c0f6008c0bddaf18fbdb704154/gizozoturadipex.pdfIn PDF document text
- http://packturf.fr/files/libegudezo.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a57f52d54---kadapas.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/qogp082i92qj7tb2dkocm08oe8/vofezamumamuzuneju.pdfIn PDF document text
- http://smwiarus.pl/ckfinder/userfiles/files/zimidun.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/86702395726.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/27161815674.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/77867469008.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/dipuxupufebixate.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=therapeutic+diet+for+diabetes+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://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_off0000b4ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCC4 | 10768 bytes |
SHA-256: 6aa6a2ad98ac1fa50c1ed531eff7614aaca05028abce66f653f8f57102b31633 |
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font_02_sfnt_off0000e574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE574 | 16708 bytes |
SHA-256: b03076f30b5d5f96bf4b08232af31503f3344bb69cfaf3235a2c97a7ab8246b2 |
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