MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, but the presence of numerous URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://insfilings.com/skyzone_classic/upload/files/jekulirogapukimonikaxat.pdf In PDF document text
- https://giverny-bkk.com/upload/files/jugabedu.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/16161734292.pdfIn PDF document text
- http://delannahotel.com/user_img/file/28548075182.pdfIn PDF document text
- http://dmscsmartlifeblog.com/userfiles/files/rabaju.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/bd6a6950d12ef4299dd2b089ef561061/xijisepoxewuzovozubufubi.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/25138a5e4d5a9b285e4b469a0f7f8e72/9992914407.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/6e32db6648bb3a0c8104d72fa406711e/30738852846.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608338c9cd394---14207906837.pdfIn PDF document text
- https://hostessima.pl/userfiles/file/tunidapisegojoribar.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/01eb4607414db7ed35c019ff21975329/fopuwubijunabig.pdfIn PDF document text
- http://ohsongpharm.com/ckfinder/userfiles/files/53484668291.pdfIn PDF document text
- http://fujavietnam.com/images/Download/sizejumipipotalevuvo.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080eaaa31de5---reragenovi.pdfIn PDF document text
- http://dejede.com/userfiles/file/gegutem.pdfIn PDF document text
- http://esebtekstil.com/resimler/files/8914669442.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/kizemapuf.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca26c768d0---86397884003.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/busipavanoreva.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210615084402.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b51899310d7---solibefop.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088e979d6ecb---53963374542.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/47086530454.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c25f684e29f---85400271297.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/3ajhnscdick20648ksbv7bgbls/47945694959.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=new+birthday+song+in+tamilPDF 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_off00012e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E75 | 11012 bytes |
SHA-256: 88663de01111bc573060cb1190a944ffa25fe2e76ba1f1c1aeb32445d3ab47ab |
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font_01_sfnt_off000147c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FD3 | 17384 bytes |
SHA-256: d987f7971d9a59d4b6917fa2986d1f1ed9fb45d0ed7dedc2af240e4bc40d04e3 |
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