MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links indicate it is likely used as a lure for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075cd27b04c0---30713781448.pdf In PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611dbae485baa---49511103122.pdfIn PDF document text
- https://kompaspt2.com/contents//files/xutalozutimutesezenisi.pdfIn PDF document text
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/betidugerod.pdfIn PDF document text
- https://bdblue.com/ckfinder/userfiles/files/jopexugudenojijizi.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/nozigufemog.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/12944203468.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/gapekovuvefosapa.pdfIn PDF document text
- http://didopack.com/files/81102074563.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/91733910585.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/susob.pdfIn PDF document text
- http://constantemails.com/userfiles/file/162482336112113986457.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/75494792594.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/966022b5763c37e6fd35f32cf8c09d29/59341857901.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d36fa10198---76883058536.pdfIn PDF document text
- http://idroter.org/userfiles/files/dojesizakikova.pdfIn PDF document text
- http://villabrown.it/userfiles/files/vudemagajaxisamixidezu.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aba1ece0f---mikomakenepomelirimejura.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/12704702137.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/cab13dd4bc55bf51617cca92d9d8e759/61893456438.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612acae09475b---29965463462.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=common+used+phrasal+verbs+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_off0000ccd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCD1 | 18040 bytes |
SHA-256: 259caa7878f048bc64f7e292f9189b80c33f1c915eaf041b0ac141e2c711f2ed |
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font_01_sfnt_off0000fb6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11385 | 10912 bytes |
SHA-256: c034e35345a335a4f1520b48ff90059838b2af6e5c4d0674e098644c297e4d7b |
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