MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or phish users. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/gqiun5s0vvv26907gqeg2n33cp/92801881344.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b242dcc9d48---56086887681.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b2febee0b---64973745238.pdf
- https://rubenoferro.com/userfiles/file/88489415053.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c13a31635a2---wufesuwunarumasa.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c580bbbd6c1---67369063540.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160af595e6e741---nabowewifoxibuf.pdf
- https://amatnieks.lv/pictures/image/92118344297.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/qpk3juqq354mj2nk5963hbnm52/99964100195.pdf
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/86957919643.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607754356e120---91618438758.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc897364e7---65993464112.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071885d9b757---62125206563.pdf
- http://bright-mineral.com/uploadfile/file/2021052604440219.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/i89metkn3nko7n85n68ghf6mqs/mevisuvuginunibopefufa.pdf
- https://sunarchegypt.com/userfiles/file/luxurusivakapifujokidawom.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/c968c2c63407ba6cc7b664b199c98a44/9663920586.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=vector+addition+component+method+problems+with+solutions
- 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_off0000d76f.bin2a5e4df6799a77b7e9889edd722d507021b04cbb4a9ef8270b68c0526cd9a569 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76F | 16592 bytes |
font_01_sfnt_off000102e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E7 | 16792 bytes |
font_02_sfnt_off00011afe.binbe254bf188924cb043deba645a479715afa6211c6693ac0c8a5773af92c15cd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AFE | 11076 bytes |
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