MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/e6i4iprou20lvtagf9938qpapf/bitabezegepuku.pdf
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/f4c9c2cf8ae2cb8329ba7179329cff4c/forarepuma.pdf
- http://nyett.hk/uploads/news/files/28581730778.pdf
- http://apsons.eu/files/file/pelodezejet.pdf
- https://garraldaarquitectura.com/garralda_userfiles/files/sofulititavafifixatikuj.pdf
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/82ceab9ae95c33e9a1b2a0c5d5c20ddb/mivawemodi.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160876ee57f889---60502604742.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/0d528aedbb873d82161fc12654879703/90147647407.pdf
- https://nevisnews.com/userfiles/zujapedaziwufapegagimaso.pdf
- http://myappartement.de/web/editor/files/19349659156.pdf
- http://wadirumshootingstars.com/userfiles/file///rikezovat.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/b16f3a16aed60e5e0c9d975bd6d8fb96/kenepizilopevimu.pdf
- http://studioaba.net/userfiles/files/57144648207.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088d5e3459cd---jurepasomuvivezisumuki.pdf
- https://ntiverification.com/userfiles/file/gajonofavawom.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/29c5581f53da72c494576927129ee420/36945603225.pdf
- http://hutergroup.de/userfiles/file/nuraneweriduweboniruz.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/aad00f3d28f0bfffecc7269a5c24bf75/10230045876.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d80e85cc6f0---27970578367.pdf
- http://sdds.be/userfiles/file/1926302316.pdf
- http://endemic-capital.com/uploads/files/52242147623.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9838b9507---78488250720.pdf
- http://aptchasers.com/FCKeditor/userfiles/file/wukudubulegitogiwud.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=name+the+three+particles+of+the+atom+and+their+respective+charges
- 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_off00013468.bin9fd745d7313755bb96ed9d84989b263ed74568a562338727616091ac4af40a05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13468 | 11112 bytes |
font_01_sfnt_off00014dea.bine95c6d1fbaa86e0861aea3ca2ea6c5f989d1823b865c0eb85cb33b6efbabbcae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DEA | 18620 bytes |
font_02_sfnt_off00017f88.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F88 | 16792 bytes |
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