MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to multiple compromised WordPress sites and disposable hosting, likely to host or distribute further malicious content. The presence of a 'download' button lure reinforces the phishing or social engineering aspect of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/996cc781f53e61df88f010544f5e5cf0/lawimunajofib.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607522475f8c3---8307565349.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/92107e21f02632bd6a3a6e39ad534b84/sewadozopigefuxumo.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/8eca191e30847827f9dc658bf162a787/govekuw.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/0f7db288ffa03250616e58a5de7f2210/12402208763.pdf
- http://simonide.org/userfiles/file/99507292790.pdf
- http://allasclub.com/campannas/file/desipadifepoxekevifakiz.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd0f6446c4---nunolumajugogoxedoni.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e70fd1324---lisawetozofodow.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/e3f707afc242e39baf3cec592956b3b4/42181251822.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a535f149d---8963147192.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093b68499619---58898660226.pdf
- http://amandatravel.com/userfiles/file/18380913082.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=lumber+tycoon+2+spawn+axe+script
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dda5.binf046006a003f2a3f125257511f3ce01d73e71b63d7bba34454a07a26366981c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA5 | 5404 bytes |
font_01_sfnt_off0000f004.bin305c958e90c02563a8c749ee70426fc33c25c82b749914a60e13139a4a7775d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF004 | 11904 bytes |
font_02_sfnt_off00011825.bin31bff617789ea0a3583df362233660725c49fa1fa0a901709621ad097110001b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11825 | 16820 bytes |
font_03_sfnt_off00012fbb.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FBB | 4324 bytes |
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