MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous links to compromised CMS upload storage and disposable hosting suggests a link farm designed to distribute malicious files, likely PDFs. The heuristic 'SE_DOWNLOAD_BUTTON' further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/48e4ff5340ca0d04446925b74b7406fa/74206691608.pdf In PDF document text
- http://straps.by/ckfinder/userfiles/files/butitot.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072c6c45809f---66069734320.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c18132886e---wobelubenigukixovubefurok.pdfIn PDF document text
- http://prosquash.by/data/nuwaxovekekadomonepakupo.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/j8p77o5nmsm5ro5huldn0b9an0/momolasatew.pdfIn PDF document text
- http://dynamicyunnan.com/ckfinder/userfiles/files/4666941347.pdfIn PDF document text
- http://bastola.org/userfiles/file/bimurulelomagapofeje.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/danikiwufogikufejel.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8f631b2c8---sirinupuzodiwanoditax.pdfIn PDF document text
- http://luberoff.com/userfiles/file/wiwaposofapinukegiravov.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c1f242f63---20192570204.pdfIn PDF document text
- https://fuoriscena.eu/file/nikotezuweguxujanew.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adcfb1e8fec---78556951679.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/wevofaxaguvusudop.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/477b498a8ab0b4cee6c4e261b1e3090c/27347588410.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/054n78406skfaoapv7r3mm7938/21492135736.pdfIn PDF document text
- http://garantc.ru/userfiles/file/zajibevena.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/pufamuzujitepositogi.pdfIn PDF document text
- http://zaiger.ru/img/file/12914603075.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f858dbae8---zukapatogexofojav.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/c746a105a75db58eaa15b9c6bf8aaca0/zenesivojepusifedidur.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/69657493885.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=tn+10th+maths+book+pdf+free+downloadPDF 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_off0000e776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE776 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8D | 11124 bytes |
SHA-256: 275704928ecd142cadeb1d41958409429b3e0f76b2070c24243aae46e3c73f60 |
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font_02_sfnt_off00011938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11938 | 17100 bytes |
SHA-256: b53c77025bcd0b48cc919cfa79abcde4b0ef2903395e35ad78839610864bb45d |
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