MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised CMS upload directories, forming a link farm. This technique is often used to obscure the final malicious destination and evade detection. ClamAV and ML classifiers flagged this PDF as malicious, indicating a high likelihood of malicious intent. The presence of embedded URLs and the nature of the link farm suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9843
Heuristics 6
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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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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://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/a0b7bce6b0aefcfe594cc8fb07c73720/niwiwawevowikerexujok.pdf
- http://studioindelicato.com/userfiles/files/taxif.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/5354a584a831831efb0f3e62462d3031/repusemesarakuvegojuvuda.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcb6c51a7d---fizoduzuzuvekirupabelu.pdf
- http://cottoneauto.it/userfiles/files/53500069130.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/e64abc30afb14f5792584b571bcc3df3/savisojuxozelefexoni.pdf
- http://protok.pro/upload/files/lebikovunewigojuson.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/7ba0b96cadc5b8a5d10963d189f266ef/tabejepijifopazomo.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/lio838bggc0jk43qk9689dtfb3/59447096663.pdf
- http://nguoigiupviec99.com/webroot/img/files/62568532213.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/54e529545884bcdbf83769cebc2e327e/keborudubobago.pdf
- https://vinadesigndanang.vn/uploads/image/files/40458551746.pdf
- https://acrgroup.nl/userfiles/file/91718101991.pdf
- https://raiporjai.com/piceditor/file/sitalojod.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/b558bb847788fb054f525319554b937a/zedizapazomemafovide.pdf
- https://dbjadow.pl/attachments/file/lazesajokiniziduv.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/4df85d78e24ddb08b81be479b404bfa1/gunozirijuriwas.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16070a9a65af18---mezuzujaromujomimediwepe.pdf
- http://musicpark-live.de/userfiles/file/73545038377.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ad765157d2e9517ade34969fc4cf9b99/tamonobef.pdf
- http://www.photonics-science.com/ckfinder/userfiles/files/lawefolarawoniwozunemilax.pdf
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/ruxasorisijug.pdf
- http://onlineexpert.in/userfiles/file/xotarifejedid.pdf
- http://tinavaron.com/ckfinder/userfiles/files/21245800469.pdf
- http://sendedianqi.com/upload_fck/file/2021-6-26/20210626185821634652.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=download+al+quran+dan+terjemahan+bahasa+malaysia
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_008_off000161da.binf4c1bfe2ff732214d79a16248fc6668efbd4a39c64cc39bc037616c604b3a1b7 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x161DA | 27524 bytes |
font_00_sfnt_off0000f46e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46E | 16792 bytes |
font_01_sfnt_off00010c7b.bin81caffbde2844fb3d6322673c455ccdeee243c0ccc9d2edd8ac03903b17d606c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C7B | 2028 bytes |
font_02_sfnt_off000115c0.bin43551897c4b567b97e0e22a9072ae8847c402a725c0b85074444f6875742a7b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C0 | 11228 bytes |
font_03_sfnt_off00012fad.bin7cee8c15f8cad8581afe30a33ff149f01d0ce5a891382de3f9fbbe6c7dfdb908 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FAD | 19780 bytes |
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