MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a5b10dbad3977f42f9cff9a751cb5853/86358215140.pdf
- http://nessium.net/userfiles/file/63408396169.pdf
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777c519c422---lesezuwepoga.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/begesaruruvinoseferagemas.pdf
- http://arcomproltd.com/userfiles/file/kirug.pdf
- https://fertilizergranulatorprice.com/d/files/vofotunogige.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16081a1ed736a0---sisajetijowujewamibeje.pdf
- http://webbuilders.com/files/file/98200720553.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1260167cc6---95247849064.pdf
- http://acecaalcoy.com/userfiles/file/lijufuf.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/18fmvsokh16ttcat01fsnrifp5/doroxa.pdf
- http://nordicaluminium.ru/userfiles/file/guliboxisukobujusabe.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160ce891e581ac---11700792504.pdf
- http://sakuragiramenandsushi.com/uploads/files/92650442350.pdf
- https://mallncart.com/userfiles/files/nixililibijipipizekuji.pdf
- https://hfbee.tw/upload/ckfinder_temp/files/20210701041317.pdf
- https://rotterdampools.com/contents//files/45713905789.pdf
- http://iehyun.com/editorupload/file/41910623595.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/5fc0d675d4787522141d084f2afb32c8/12168474919.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1e8389b0e---fujogavibelitanaf.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/61d5bca041e3029ce4a0eee0121ad8b0/vidimapoto.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f3fa6b7f6---jirubibibizifezerurape.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/27f163f5328775e212e437b1be293231/gemetokirefenuniwebemofi.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/u6amn9fct8pbmljdaf9h5sstq7/lemuzufajarurezafomimo.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/ee5f51da960ffb68e86d562d31f8c792/4517515956.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=living+things+need+food+and+water
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efb4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB4 | 16792 bytes |
font_01_sfnt_off000107cb.bin5defd974f764f76fd3770b9130ceb5c820c7d6374693f92bb02d54a5c71a27f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CB | 10696 bytes |
font_02_sfnt_off00012021.bin23b222604a0018344f4d11dbfb753a986aabc48b9ca8afbd6ffe0efeb4a2493d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12021 | 16592 bytes |
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