MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. The document contains a link farm with numerous URLs, several of which point to compromised CMS upload directories, suggesting an attempt to host malicious content or redirect users to phishing sites. The presence of a 'utm_term' parameter in one of the URLs, specifically mentioning 'angry birds premium apk', indicates a lure to potentially pirated or malicious software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://wecareprogram.org/images/file/41671963432.pdf In PDF document text
- https://tezerwatch.com/file/upload/files/09-10-10-19-52-65.pdfIn PDF document text
- http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/990212265.pdfIn PDF document text
- https://foursservices.com/nbloom/fckuploads/file/wuxerepasajerukogegimuvir.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16311435418476.pdfIn PDF document text
- http://hijoin.hu/editor_up/monepusodosago.pdfIn PDF document text
- https://limsurempat.com/contents/files/25348807888.pdfIn PDF document text
- http://irinaburmistrova.ru/files/59726874170.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfc86ce6a4---tajedasixinazufese.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/524c1lvtovq50rg7i288uhrf1j/46134858286.pdfIn PDF document text
- http://ministryofrum.com/memlogos/file/mopad.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/fab379c28a4e44426105894689bd844e/robuzanupetutux.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/rutotipaturu.pdfIn PDF document text
- https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/relidar.pdfIn PDF document text
- https://guijek.com/userfiles/file/tubudonexituzugetukitufaf.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/vusazukuxasafasatebowo.pdfIn PDF document text
- http://kunmobile.vn/files/uploaded/20210901/file/39472010306.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/bajewumowoxomexavi.pdfIn PDF document text
- http://snft.ro/media/file/bameja.pdfIn PDF document text
- http://sciattella.net/images/file/91975228291.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/766588729.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=angry+birds+premium+apkPDF 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_off0000bb39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD350 | 10896 bytes |
SHA-256: cb5b7258ae8fb848aea992c1fe27e06b3d1397aa72538b33037f0f68fcf6a18a |
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font_02_sfnt_off0000ec16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC16 | 19872 bytes |
SHA-256: 422b9358167c5703294cf2bfaeb0989fba0ef61de1156cfba8d1e1869395c3b0 |
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