MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URIs, many of which point to compromised WordPress installations or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://drsaman.com/files/muzefofexoxakuj.pdf
- https://schmitz.cz/res/file/41814882980.pdf
- http://ankamet.com/userfiles/file/bofubomukaxofil.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082b69782a78---21774594865.pdf
- http://cz-synergy.cz/data/file/57654051974.pdf
- http://tid.vn/upload/files/fomuxetegeka.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160839a69b7c31---24387221604.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/a34f975dad979b84f62ceaabb04ba7de/negimegojigunapas.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/ddcde163fdab1cee6797a103cbcf12c7/75046738324.pdf
- https://bhsbeacon.com/FCKeditor/file/10265546035.pdf
- http://studioarchoggianiepartners.it/userfiles/files/1432440135.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de6649ee9a9---fajezoruxagulenesoviz.pdf
- https://papersacksfactory.ae/images/bulk_images/files/pigenozerosizurofev.pdf
- http://olech-rzeszow.pl/userfiles/file/68569307632.pdf
- https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/zizowelaxevixumaxowobusav.pdf
- http://siciny.eu/userfiles/file/govujufanok.pdf
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/fowimisuwumovupusub.pdf
- https://aadharshilaschool.org/userfiles/file/26838091582.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab873bd0552---76665195441.pdf
- http://aotwresort.net/ckfinder/userfiles/files/pedixaripanufisafejaxej.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c927a370eba---gujatibidofar.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b00b4543fd---fexefaxiwi.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/7d909c21f0fcc83a4d9922ac88680402/13135410990.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=back+home+michelle+magorian+pdf
- https://www.thc.gda.pl/ckfinder/userfiles/files/77995575692.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103ED | 16792 bytes |
font_01_sfnt_off00011c04.bin1c02368596400e877ca9ce6aaa39c8d8996903c175ac6e3e6dd42169a9cbfbdb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C04 | 10948 bytes |
font_02_sfnt_off000134f3.binb4c41ae3c04fbd552b40ac3df4b2869636d2449df183f5fad733bb78e4242a10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134F3 | 20108 bytes |
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