MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF 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 uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, such as http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb74e2c19c---regenepojezuganilo.pdf, are likely used to host malicious payloads or redirect users to phishing sites.
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 http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d03e4fee3---51783775122.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb74e2c19c---regenepojezuganilo.pdf
- http://marathon-gexin.com/Uploadfiles/files/32642392079.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/hn92p0d39boa3b4aaladlk4uu6/likojex.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/a25b4a2bf1188a2bf479c2e05af4f147/64533743538.pdf
- http://richmediahouse.com/admin/uploads/file/fakofolebudulupulira.pdf
- http://boxerdapolenta.com/cmsimple/images/file/raboviwowofipewiwijotem.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/019d2eef9dc0e1b1073ada17ee74d854/14684860344.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6190cbea6---zalupasojumapulipefed.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9rg2t1dp1c6tjk6v200f9ngtc/bexawes.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/avpba52haf6c7t7jbspm6vs962/jexaboxusojevovon.pdf
- http://serramentisiciliano.it/userfiles/files/79439545159.pdf
- http://j-club.eu/userfiles/file/vakuru.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a50b1dd1d4a---74742181051.pdf
- http://www.bluewhaleline.com/image/upload/File/87051312980.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/simivuwa.pdf
- http://flagrant-desir.com/userfiles/file/berafa.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074221f72007---popikisix.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/238hi6b8724i9fh2mge9ntumt1/ranewonolabuforage.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a045d2ba42---gerudawivutiwu.pdf
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/16205853342.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092044908637---90948565931.pdf
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/beklaemamd2o5gme8p45hg216u/75034017693.pdf
- http://okmarin.ru/userfiles/file/wiresebuwap.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=template+for+persuasive+essay
- 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_off0000fcf1.bin07f6dcfb592d27b6e2061131cb8e9f2d0342af39879d0e2c3064ab56a3d68a20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF1 | 16620 bytes |
font_01_sfnt_off00012810.bina25470c9e1f3b16f1517455a75c76883ff24bfd2e0eb265d38835b558b293def |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12810 | 10656 bytes |
font_02_sfnt_off00014089.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14089 | 16792 bytes |
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