PDF malware analysis — malicious · d196c49d2e8ccc17

MALICIOUS

PDF

85.2 KB Created: 2021-03-29 03:26:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7067f83f49c5b9590ba4d922950cfe1c SHA-1: d2be49927ee3ebc515f73a9763e347b9eecd3669 SHA-256: d196c49d2e8ccc17177cdf51ad24d70345f137d706a41a102000abd487277d43

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF containing an embedded URL that mimics a search result for a medical document. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL points to a suspicious domain, suggesting it's part of a lure to download a malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://resalured.ru/award?keyword=congestive+heart+failure+nursing+care+plan+pdf
- https://cdn-cms.f-static.net/uploads/4389108/normal_6024a2a9d2433.pdf
- https://cdn-cms.f-static.net/uploads/4485308/normal_6025ae0e79cf3.pdf
- http://rupazaduxil.mywebcommunity.org/biology_book_class_10_free_download.pdf
- http://xuxetosufuzo.getenjoyment.net/whats_the_product_code_for_sims_4.pdf
- http://jubigale.scienceontheweb.net/78219150740.pdf
- https://cdn-cms.f-static.net/uploads/4418557/normal_605ba66cca07a.pdf
- http://dutebolidetol.iblogger.org/12797508018.pdf
- http://pawomodom.medianewsonline.com/tiwenafuru.pdf
- https://cdn-cms.f-static.net/uploads/4415782/normal_6038812aec740.pdf
- http://mujoxoluvisukid.getenjoyment.net/pujowuzifuzaxifor.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/tigewibejageju/50242531475.pdf
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_11269bd3438d44c9abeab6637de573a8.pdf?index=true
- http://zikomum.epizy.com/appsc_group_2_syllabus_2020_download.pdf
- https://s3.amazonaws.com/xamibudasagas/jolurapimibokovumijit.pdf
- https://12f7643e-9106-4823-89c2-0bdaecd1bc22.filesusr.com/ugd/1f6d71_274a2323bbf8477786c49b3bf767abc5.pdf?index=true
- https://s3.amazonaws.com/gowupuzokowuxes/skype_google_chromebook.pdf
- http://lugavatakavupo.rf.gd/scarlatti_sonata_in_g_major_sheet_music.pdf
- http://likeketafox.rf.gd/visual_basic_programming_language.pdf
- 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://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010e67.bin` `e86356fd69a1a398c8e070f2dcb3dd22cfad4ae2524697c5db6e77daa1be5612`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E67	5384 bytes
`font_01_sfnt_off000120bb.bin` `df75bcd1a5daec78c889a8437099219a1b7d49f76a90a928793b594854cab79c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x120BB	11456 bytes

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