MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of numerous distinct hosts and the use of disposable hosting indicate a campaign focused on distributing malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082588639af8---80056843900.pdf In PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/ac43f1c2cb8ab825957feb8490ff7871/rozigenisijenuvomavoza.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/88793336671.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/6401533e9a62ed02a183bc96c5b39310/tumozavakoduwuj.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/0e0327589852985fc1f824ef193ac4f5/tatewezunax.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b0756ede4---fevuwulozefurapugafevo.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f3f54303366f3252324e339df60d9fcb/89166226621.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/e039af25133aff80aa16116f194b5c96/fujovuxunitem.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/dutidevoz.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a367f90e9fc---42881709115.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/d2f87502ed8dbd23c1dcca01010362f5/7665600554.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/4287426016.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/41c840da53329f8eabbc21d059896745/81189247549.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/41592304220.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608109011e0e1---sutudapoxilagexoduvofaxak.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0c5785080---34201476935.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/cm7ohasum4sn5d2m5imv13349n/goloxokinomukole.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160824af2dd5c2---1853600818.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=goddess+by+nightPDF 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001066a.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1066A | 23504 bytes |
SHA-256: 6a90c52acb20889bbc6abc8272fbfedd4ef1813b3ae11e353dd6644422063634 |
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font_00_sfnt_off0000cf60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF60 | 5024 bytes |
SHA-256: b67f70df038889b273a9123a992dd128743fa119bda8d493cde5b5b8df6555b3 |
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font_01_sfnt_off0000e07c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07C | 11040 bytes |
SHA-256: 475c2b326dcae247a45dbaccaee643bf32ce4d5651c435380c29458d1e701dbb |
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