MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://firegallery.ru/img/upload/2632394383.pdf In PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/438070ca2cc9d918e393bbad727c87a1/lonenobizomu.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace66f62848---timodojotowizax.pdfIn PDF document text
- https://dpt-mh.com/uploads/news/files/40999124942.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607abeee89669---80599985995.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/lolugesevusofodu.pdfIn PDF document text
- http://conroeclassof72.com/clients/d/de/de0acc14889d5d69ce6a2e221f3e79cd/File/29306372494.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6c52ce66c---zabuperedaveruluviloz.pdfIn PDF document text
- http://sunnysideclassof64.com/clients/a/ac/acc4ccb49d7935ca36198347b895393e/File/rururezomunubisavuzi.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/76837822457.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a534de3841a---40117374525.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/sibiramuvawo.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/d09855722f89dfbd92ee2b2d5899dab0/55405922436.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/jukerumi.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160d70fadb0093---37872996331.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/39600431948.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210703233719.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/55f1ccb43ebecc4f970bded53869f697/remalomomora.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e60a0d66ce---15577288601.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/2dcf903d806edd2cb1c0c5bad763672a/livamezapuzakokezabeto.pdfIn PDF document text
- http://svsteinfurth.de/radsportfiles/file/52772271692.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/8cba2840d08979c127b85dfacf1f990c/6015983006.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/rgqfncdn34a4ulnpn7j0glhbbs/2370949220.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/43118362987.pdfIn PDF document text
- http://weddingceremoniesbybev.com/clients/72651/File/bidubagobev.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a1e2a1c61---17468922283.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=i+guess+thatPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E3 | 18572 bytes |
SHA-256: 0363574973f7cd8160709fec48d79b8a116e29e2e47dee2ae1be5a3a2bfac181 |
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font_01_sfnt_off0001076f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F85 | 9976 bytes |
SHA-256: 0717319121eaa7e903f65044b16762d40eeaab0da5a786a8f861e311a07e215c |
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