MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that function as a link farm, directing users to various websites. Several of these URLs point to compromised WordPress upload directories, indicating a tactic to host malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
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://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1606d101aca070---pusoguw.pdf
- http://ks4073.com/file_media/file_image/file/banasipiraxib.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac8337a214---73892395520.pdf
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b06fdc4c90d---bexobativeletupa.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/9d59ee5975429704040e1228438c9ad2/pewewidajerikanekuwivoro.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6f329d953---famelisizawosanaradulito.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160965df098a52---86863848092.pdf
- https://stratasphere.online/userfiles/file/46984793351.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74950b519---bunefidarapamozomagoka.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076296eb7452---39073730296.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/96b832a32384768189341c28354ecbc7/fanipedipofusotaja.pdf
- http://zimaletto.com/uploads/file/jetol.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7bb94604f909f520e9ca4eb0f3f003d5/81606368283.pdf
- https://mclandpin.com/calisma2/files/uploads/64240265355.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/01ck9r1iqms83cite1rjki91st/47984999141.pdf
- http://goldartline.ua/userfiles/file/1629456642.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160750e35b6619---zezojat.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/ujub96sqk9ikdtksfth73tj6tk/piteserisofiga.pdf
- http://fdscience.com/UPFILE/userfiles/files/46326311615.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c33fc8088a---moxiburamopoleva.pdf
- http://euro-ex.com/images/blog//file/43301206347.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f377c27ce7---xofut.pdf
- http://anhuizhkj.com/upload_fck/file/2021-6-25/20210625150818576442.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=freak+the+mighty+chapter+summaries+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000143f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143F6 | 16792 bytes |
font_01_sfnt_off00015c07.bin42f493344af25cf874470f1999a02aa7fb5ecfc5841daa171b8e7c7833dbb810 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C07 | 17888 bytes |
font_02_sfnt_off000177d4.binb71908b8b0705e3aa1d93ce3f696034d8338a697bff64bd08d1a78ca17a30fe3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x177D4 | 11080 bytes |
font_03_sfnt_off0001917a.binb7ce787f20321fc505cf06fc99eea9a19ec11879c7b9d3b766585bc5de7e0f8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1917A | 17464 bytes |
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