MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, with one URL specifically mentioning 'call dialer app download apk'. This suggests a phishing attempt to trick users into downloading malicious applications. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://spbmedaks.ru/sites/default/files/uploads/juxadenurukobu.pdf In PDF document text
- http://wadsoda.com/UserFiles/File/8624533329.pdfIn PDF document text
- http://jcpingie.be/public/files/63968260240.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/dukutula.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/divesowa.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202197711456978.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613be3bb69617---gawobazanul.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/21195092279.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b17jtiubaof0biphjg6com1tq0/vanupigewarerekubup.pdfIn PDF document text
- http://metabolitplus.ru/files/file/gapifemeviwugevusatekewo.pdfIn PDF document text
- http://jgbt.us/pds/userfiles/files/wuved.pdfIn PDF document text
- http://isitekmuhendislik.com/userfiles/file/bujefitukavowekoken.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161354263bf5ee---93035544037.pdfIn PDF document text
- http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/48779792205.pdfIn PDF document text
- https://funke.be/data/file/poponi.pdfIn PDF document text
- http://www.grifin.sk/files/87727838841.pdfIn PDF document text
- http://shahnawazonline.com/uploads/files/68651797228.pdfIn PDF document text
- https://soechi.id/userfiles/file/88668314816.pdfIn PDF document text
- http://elmbbq.com/uploads/files/58435296102.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/54264077955.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f831e319f1---susofubenujavetufinix.pdfIn PDF document text
- http://tdbm.vn/upload/files/44295145660.pdfIn PDF document text
- http://arci-mp.fr/admin/File/tefemigefigagebezazoju.pdfIn PDF document text
- https://wonwon.taipei/photo/file/72032663950.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=call+dialer+app+download+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_off0000c075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC075 | 16828 bytes |
SHA-256: bccddf2f953e03648a545ca976197f41513790fcb40b29c54fb8030fbc35fc3c |
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font_01_sfnt_off0000ebdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDF | 10328 bytes |
SHA-256: 926d8eaa27977cf7f0befed5d915901b20381ba12ebccf50157034a1ed245c4d |
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font_02_sfnt_off0001033b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1033B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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