MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious files. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9786
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 http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b79ea48b0---xonat.pdf In PDF document text
- http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/lakarasop.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e108b550f---zodiwepi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/022196b1865460b868b39ea4523f1b96/14214361005.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c4abd977ddf---rexonijo.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607675ed63f9a---fegafupetumolir.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/458cdd8237eb158842809b37651c7fdc/lekuwajejelufuvufopixazi.pdfIn PDF document text
- http://phantasos.org/userfiles/file/derutigesutakekol.pdfIn PDF document text
- http://aahsclassof1978.com/clients/b/b6/b6117739535924054831d33ecd54b00a/File/velam.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/3b0d1c71d1ead116ebfcb889561a6347/64928236790.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d0ffb7cf1---16862832230.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8e20eebbe---konevosu.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/57307467339.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/b6b516cb7b34ed4294120248090306be/92344043299.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/44740817681.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/kuzegodedeno.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92d6c3f66---62417690533.pdfIn PDF document text
- http://www.tramag.pl/upload/file/8434893479.pdfIn PDF document text
- https://aspirans.com/files/file/gibirurusurakixobuz.pdfIn PDF document text
- https://5udua.com/contents//files/27256546347.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/55279434920.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/3ee8d2dc3eff2b17a8c60bf15b5fcc98/bepuzozemekavitajo.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/gaxelafazotufenuvubotuduj.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/93078380016.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/14782914302.pdfIn PDF document text
- https://vnnc.vn/img-hdmedia/files/46544228488.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=download+coc+mod+apk+2019+miro+clash+-+private+serverPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10763 | 16352 bytes |
SHA-256: 470e290952ef951ede6d6c7d5ca63c035db2632a033eb4bcd74a8159b858b555 |
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font_02_sfnt_off00011d6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D6E | 11520 bytes |
SHA-256: 77e8717fb26056d7b145ae6ceb31979c1335d0252e965dbde15646a91388cbe1 |
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font_03_sfnt_off000138b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138B0 | 18668 bytes |
SHA-256: 5e865fac368d179e909b538aa0d60df124b52a65d62b02eb18d9fecf305d4b09 |
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