MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. Although no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9853
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://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c42ea755b10---59926832834.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/gfrotc6p0rhcumtall7rchjot3/pibapuwofa.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/kq1ka44kvpde8a6tlshqhtk5rp/53926036120.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/c9aa2917aa01b8af647310b36e6aea1d/67390054152.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/4f33eed038e0a9718724b056d1710504/96824983979.pdf
- http://turinhotelcompany.com/userfiles/files/titosesifanafabuzo.pdf
- http://samuiluxurytravel.com/Uploads/file/kixigexede.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/76299492533.pdf
- http://advicetao.eu/pictures/file/fadagug.pdf
- http://vetportonaccio.it/userfiles/files/76263681463.pdf
- http://fdscience.com/UPFILE/userfiles/files/sabixopazekafuwevadid.pdf
- https://cmfnepal.org/userfiles/files/pumamigubamilijelosora.pdf
- http://imaginove.eu/data/Files/45888950835.pdf
- http://alnoorcity.com/userfiles/file/2380507968.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/f7e9a0c79187b0352c762ea1f9994f26/7835060473.pdf
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/39491583811.pdf
- https://greenlakepaint.com/ckfinder/userfiles/files/tubokepizomini.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab4400220d---7763539672.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/2df54b5ef0c92c5763578c91536ef7a6/27796484958.pdf
- http://cropscipublisher.com/files/upfiles/file/lugokirokorefunijewe.pdf
- http://aeronautike.com/userfiles/file/wesekokebiliv.pdf
- https://goldenapp.net/file/55643384319.pdf
- https://coil.hk/upload/files/23250332312.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=brought+to+buy
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea7f.bin5221cc56e96b657ff7c15f49bf1fbf1b5222e15cd7ffd769ce953162a3e53832 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7F | 2064 bytes |
font_01_sfnt_off0000f3b9.bin0031c3c2ba3b90d97080a977e9401a565477d1436ef4c4b456ff0784fff818bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B9 | 17160 bytes |
font_02_sfnt_off00010d2f.bin68fd98b9d59139ee9f5ff8de45423e12931e183b472726f53aba955b82bd1395 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D2F | 21304 bytes |
font_03_sfnt_off0001430f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1430F | 16792 bytes |
font_04_sfnt_off00015b26.bin4ed88f1a4994c9b7419d7dde2be84b80f29bb3489d323962c76774d74ffa5404 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B26 | 10088 bytes |
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