MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting a phishing or malware distribution lure. The document body was unreadable, but the presence of numerous URLs and the heuristic findings strongly indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://hansenlight.com/UploadFile/files/jafepawuroxefavomex.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/977pppcsn45v1fjiiapfno25t3/96963471323.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/fcdst1smefurksgdkqh521raj6/41028194843.pdf
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/40127196685.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/8f82463e40c74957d5bc0bfbf3421487/teroruxuladufi.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/522b8871842a1f70c3e1df814eeb7660/44990553205.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16072e7253c10b---kivopibadezet.pdf
- https://itracmediav5.com/ckfinder/userfiles/files/57810364.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/05853f779f59bd9edae68fa9877cd727/6043269467.pdf
- http://constantemails.com/userfiles/file/1622657821gomobitodom.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ea692a21b11de9c9a4304901cf28d766/jawedimoninut.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc7b645f1e---41317996997.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca34cee74a---juwadimizitabagan.pdf
- http://cnc-soustruzeni.cz/files/file/80713446123.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/kb848lped2fbtojipoltttkl70/92895116525.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1ccfe7a7c---rukabilebejisedovaloje.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/ff6642181c522d7d65497ab643cdea52/zeravokezukimipajiner.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72ab9dcd39---tonulugajugidudigixom.pdf
- https://hondamienbac.vn/userfiles/file/kuviwatofugemas.pdf
- http://ainut.fi/userfiles/file/33678536940.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/67chvo4cbtq98kle887mah6b5h/bularigoguxezavel.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/6c92aefe78bf07691d14c5b9fc430d74/14488239943.pdf
- http://telmeed.com/web/ckfinder/userfiles/files/71843225396.pdf
- https://angkortaxiservice.com/userfiles/file/18162473160.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=annual+budget+tracker
- 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_off0000f597.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF597 | 16792 bytes |
font_01_sfnt_off00010da9.binf60cc3eac31ce47e1febf7cc8298857eef5983f658ffc8be3e52c7e61724a20f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA9 | 17236 bytes |
font_02_sfnt_off00013a4b.bine605ec31027645e58e55efdb08b2b0a81be24dc385ed34301ea2403e0f3ef743 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4B | 10476 bytes |
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