MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, impersonating the Apple brand to trick users into clicking a malicious download link. The document body is heavily obfuscated and unreadable, but the presence of numerous URLs and the 'SE_BRAND_CREDENTIAL_PHISH' heuristic strongly suggest a credential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=abc+news+android.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bloodfaces.de/attachment/file/radepez.pdf In PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422555302ea---wasulinimodimagosatunega.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/5765b9fd1778244b98975613ce22ef0e/vedizagati.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/38806919425.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/o47elsvff3k2c5bv3okj6isv7j/jafugepug.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16137912310b23---rumememixilejupomuterewis.pdfIn PDF document text
- https://franchiseharbor.com/files/files/vepawobufodosemetikiles.pdfIn PDF document text
- http://sinosteelcode.com/filespath/files/20210918100745.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/44257275375.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/wenamizuvapumoxokomej.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614637d8bec33---2945605697.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/fe3b5acc6d017e252b25a7166b606590/86277576961.pdfIn PDF document text
- http://allasclub.com/campannas/file/99162759897.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613647984a0e4---86013888214.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/37844027785.pdfIn PDF document text
- https://bosgo.mn/uploads/files/tobidijoboganusunisoxal.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/7a7248c1436e27b70b545cdad604cbe7/73713578179.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/vofoweguzidetaw.pdfIn PDF document text
- https://tch.lu/files/files/taganagivuxovir.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/7673343054.pdfIn PDF document text
- https://maximaainfoways.com/WebExams/ckfinder/userfiles/images/files/1157937062.pdfIn PDF document text
- https://exhibitproplus.epponline.com/mentorfinancial/page_images/file/muxamafukoloso.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/puwutinesedubot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=abc+news+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://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_off0000df1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF732 | 10428 bytes |
SHA-256: e946b9649bedd0a7b6a2a59b12fa9000d288f21f57bd82558961a0e77b760785 |
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font_02_sfnt_off00010f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F08 | 16672 bytes |
SHA-256: f140f54cc6e55feb2296257d5b73b133037193d05a34d384f6ed9f76bc478f10 |
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