MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting. The presence of multiple external URIs and a link farm structure strongly suggests an intent to redirect users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://speak82.com/_UploadFile/Images/file/jijiponivajenefuzadagivo.pdf
- http://vnationwide.com/userfiles/files/bogevuporikitiz.pdf
- http://staropolski.net/Upload/file/80550649520.pdf
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/zitabowamepufer.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/vbif984fsqjcrssjva85tarno0/sesafubusil.pdf
- http://tincorner.vn/uploads/files/susujopozorus.pdf
- http://budapesticukraszdak.hu/userfiles/files/3912986131.pdf
- https://er-cardiff.com/eurostyl/photos/file/37174890771.pdf
- http://textingrights.com/userfiles/files/18981420092.pdf
- http://signauction.net/userfiles/file/bepinuxavomuxo.pdf
- http://inphilong.com/upload/files/55795409827.pdf
- https://coopinproject.eu/ckfinder/userfiles/files/gomovozatupigonemune.pdf
- http://abcgsgeds.friendship-match.com/upload/files/rirudeketi.pdf
- http://sbsinternationalschool.org/userfiles/file/20440325386.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b1ce3a47d123b644eaf1385c9117f5dd/46877752371.pdf
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/sirapebijatovudabanud.pdf
- https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/90569914671.pdf
- http://it-hair.com/userfiles/27529025458.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d63b7e5f11---sadujavozexosolat.pdf
- https://transdeliveris.lt/userfiles/file/sobubemukilumufivufuwaso.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136682ea7541---nolibibi.pdf
- https://luminex.pl/upload/file/jakefejik.pdf
- http://kahounova.cz/userfiles/file/33930555045.pdf
- https://cezartravel.hu/userfiles/file/85414625183.pdf
- https://ww150007.linebot.net/upfile/files/20210911164311.pdf
- http://czyxchem.com/upload/files/regarumikozizuriradesonap.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=download+black+panther+free
- 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_off0000bc36.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC36 | 16792 bytes |
font_01_sfnt_off0000d44d.bin757d586489a7a94e75709eba6f38731563abc85b4eb3f9f00bd1e94f5741d697 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44D | 10776 bytes |
font_02_sfnt_off0000ece0.bin24f8921e21f710f9016c88a6cd91d4b1d2fdd7f5acea2f62d243a29848837534 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE0 | 16556 bytes |
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