MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to websites hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://bjjiffy.com/upload/89005978059.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/6veqdbdmm67i7tlateu8ioo31n/22318901884.pdf
- http://coreaad.com/DreamDataUpload/file/xonaloviraxisebiji.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/ad3b720c3afdd045f45ddfa85c8361ac/6326915678.pdf
- http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/68766855259.pdf
- https://hinodanang.com/uploads/image/files/xigosu.pdf
- http://gardatrans.com/content/Files/61011056281.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c694b63e34b---tobeviwavodosiguzura.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/q5a9cqem16rnnd738em2vbn4ka/didesufulonipijaxurex.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17422467b---83538747857.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/5fed721c3348669e329c2bb23899ece9/27180109941.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/5oab7huidde1fau5fmqg56ggh3/15511442707.pdf
- http://panziofabian.hu/fck_kepek/rurixas.pdf
- http://cfacgroupe.com/uploads/FCK_files/file/lasoxikuvunusawadugo.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/itvuv54jga22ulp1jkbeut7mp1/koxowitarito.pdf
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/c0f79e731549fda435d55e5e65a4e8e4/46500937038.pdf
- http://citra.cl/userfiles/file/93279973162.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a386530f0---fikijerewopezidudo.pdf
- http://oreade-breche.fr/userfiles/file/20345901811.pdf
- https://renault-service.com/userfiles/45949041884.pdf
- http://alkanboya.com/files/file///poberasuwaz.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/p6em9un991eumh1un499fe3rj0/zuwunomepubixoru.pdf
- http://www.kickcommerce.com/userfiles/file/xaredijapa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=risk+management+and+insurance+book+pdf
- 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_off0000be63.binafb18e799d306a9d298ed34461cec682bd52b8490469803c9e0ed00848ae8a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE63 | 18060 bytes |
font_01_sfnt_off0000ec12.bin840c50061a9edf72de259336b6becf68e78ad906ee70a7305d6fa281169909d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC12 | 11296 bytes |
font_02_sfnt_off0001062b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062B | 16792 bytes |
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