MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to lure users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/90276943353.pdf In PDF document text
- http://yuh-tarng.com/userfiles/file/9357542826.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/39c462679e6b1300ed693e20953bc564/nomigurolasumol.pdfIn PDF document text
- http://usarsenal.it/userfiles/files/kisijavurisumijibili.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/39085988343.pdfIn PDF document text
- https://pristineleather.com/userfiles/file/kadowisekoreze.pdfIn PDF document text
- http://kunbot.com/upload/files/lasotabax.pdfIn PDF document text
- https://senegal4d.com/contents/files/panivuj.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/zamuletewimimu.pdfIn PDF document text
- http://opuspointpartners.com/ckfinder/userfiles/files/37561554845.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/67740691351.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091820204898.pdfIn PDF document text
- http://studioagronomoserragiotto.eu/userfiles/files/zizomuforudivun.pdfIn PDF document text
- http://plantessentialoil.com/upload/files/xapulojuwowule.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/pelufubelifilega.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/88083733898.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c78de6c6c3---37685757017.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/noxipugafej.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/21245308409.pdfIn PDF document text
- http://xfswchem.com/upload/files/zebokofupuxigebanu.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/63915780164.pdfIn PDF document text
- http://cpgny.com/userfiles/files/27594336023.pdfIn PDF document text
- https://gkscam.com/userfiles/file/domilabarobom.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210924060748.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d4f73c986---71998963861.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=play+music+code+androidPDF 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://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_off0000b081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB081 | 10648 bytes |
SHA-256: a80f54a9355e5ebddd7b40d98b399675e03f1abd957e981334a179418da64772 |
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font_01_sfnt_off0000c8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EE | 15096 bytes |
SHA-256: 17b32c2dd9bf0c083b5625ed8f1a00501b211d133dbf0cf98e7220d552bb1e0d |
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