MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, with high-confidence heuristics indicating an advance-fee scam lure. It contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to distribute malicious content. Embedded JavaScript was also detected, likely used to facilitate the redirection or download of further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
Heuristics 8
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://aspbae.org/userfiles/file/fitikevavojelopuro.pdf
- http://hzbaoyan.com/images/upload/File/giwonewavunapudafikelod.pdf
- http://cmtl.in/uploads/userfiles/file/file/30664104206.pdf
- https://daquin-ferriere.fr/userfiles/file/29034270713.pdf
- https://asztromiskolc.hu/ckfinder/userfiles/files/xokasugononebo.pdf
- https://samudra99.com/contents/files/2240826225.pdf
- http://zenithmetals.com/files/72407355077.pdf
- https://laatuwhuisweerstralen.nl/upload/file/koxibuluju.pdf
- http://gunjanjain.com/app/webroot/js/uploads/files/3721918499.pdf
- http://www.musicboxpiano.com/contentfiles/57232753994.pdf
- http://vektorma.ru/uploads/assets/file/jevotujoboduvipematusiwu.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16137f0ea1a342---95936718624.pdf
- https://mobilieroccasion.fr/uploads/file/linivomur.pdf
- https://chaletsuenodesol.de/files/10212864654.pdf
- http://thunderstar.cn/userfiles/file/20210907181204890067149.pdf
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/polurug.pdf
- https://autosaloncenter.com/uploads/file/65833751231.pdf
- https://ambient-interier.cz/files/files/75482131957.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613237870dc9b---97346806686.pdf
- http://qdsenfeng.com/data/files/51443878286.pdf
- http://rem-proekt.com/f/file/fikokewemaxome.pdf
- http://fazendasaojudastadeu.net/fotosempresa/files/wonikikavafuleg.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161397803e0836---21496789004.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131d2c5716d1---kefukivedababadugisaje.pdf
- https://geloracinta.com/contents/files/80777200733.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=super+j+cup+2016
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001173d.binaa148abc87404bdf85721475f1c8c7ef9b15790f7d5ab1cf8721886aea1e5924 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173D | 10344 bytes |
font_01_sfnt_off00012ecb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ECB | 16792 bytes |
font_02_sfnt_off000146dc.bin64af0185a2beffa7382febdf957b2ddd2015d3985e5bc97cf8ad64f3c2914973 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146DC | 16060 bytes |
font_03_sfnt_off00015bed.bina25e012214790069056b85fb76c954ba76dbc1527ded6454557ec490e8bf7177 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BED | 20064 bytes |
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