MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains a link farm pointing to multiple compromised CMS upload directories, likely intended to host and distribute further malicious content. The heuristics suggest a phishing or malware distribution lure, with the embedded URLs serving as the primary mechanism for delivering the payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://mpu-beratung-brendle.de/userfiles/file/kaxawopiwujawo.pdf In PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e6a17aa18d5---kudikakeg.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/6944fe1e4f9e87efe96b1c4113030c6c/jawideretopawezemapewo.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830ee335e10---xujofasaduvoxis.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ktcbkaqk2f7bq8gk019lnt4203/47301971209.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/jesovuxikuluwosupimere.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d7a6b0ae0---tifide.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/gagawajetesasoxelalinopo.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5d10047a4c1b5245bf8b1a809f5907b8/faminelokabakoriditabunej.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/va0rloj2a55cq3ommdh24u7oq3/43821117241.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/92748588601.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851346c318f---kowiwofopametadizigij.pdfIn PDF document text
- http://sbsinternationalschool.org/userfiles/file/gotugudikazoruzutuled.pdfIn PDF document text
- http://schnauzermountainminiatures.com/clients/17729/File/57153822221.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/vuzotizabub.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/titolav.pdfIn PDF document text
- http://119pump.net/d/files/65352948637.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/25b9196989158a0dfc184e35e0fee0b4/86377553175.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16116db81767b7---46931920186.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad82ed279a7---nuzevokujajogidaxinino.pdfIn PDF document text
- http://solee.cn/ckfinder/userfiles/files/42084303889.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/41988940489.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/15425798616.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/213bd63701a549c3faf8a158b3a3461e/rafisemesimupovikuzamajok.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf55088de5---wasivesise.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=carotide+primitive+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_off0000fe9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000116ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AD | 16844 bytes |
SHA-256: bb312fba5768ed5ba5a216741304b4ddc43cb68666f8e6925fae8960937e829b |
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font_02_sfnt_off00014258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14258 | 10440 bytes |
SHA-256: 58598c2ca9f75272caed8d9bb01ce8708ca51ad337e88ff1c62d90ac46f4a05c |
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