PDF malware analysis — malicious · 17ac4d4440d750b5

MALICIOUS

PDF

83.6 KB Created: 2021-02-19 05:43:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: a3e509d78d08f668c5b7c10341d5ff29 SHA-1: b2d51607288816dad1a9ad920cb35a4a4c78c454 SHA-256: 17ac4d4440d750b5cf604c9733bf2a1eb2b89f55935ea03532958bb517cbd71a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://baarspo.ru/strik?utm_term=the+three+questions+don+miguel+ruiz+summary PDF link annotation
- https://cdn-cms.f-static.net/uploads/4423155/normal_6021ce76cc25c.pdfIn PDF document text
- http://easy-money-cash.space/wunaporezudozezozijed3raur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/satulibaren/brynmawr_school_uniform.pdfIn PDF document text
- http://powosudiruz.rf.gd/reflejos_arcaicos_del_recien_nacido.pdfIn PDF document text
- https://s3.amazonaws.com/loranoduzuja/guidepost_strategies_llc.pdfIn PDF document text
- https://s3.amazonaws.com/gujutavevive/krups_professional_burr_grinder_manual.pdfIn PDF document text
- https://s3.amazonaws.com/votubukaxogilix/hallelujah_violin_cello_piano_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/tosevud/54738554435.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/exercise_bike_buying_guide_uk.pdfIn PDF document text
- https://s3.amazonaws.com/genedonapubefe/51836332068.pdfIn PDF document text
- https://s3.amazonaws.com/xotomisen/cps_parent_portal_orientation_guide.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fc30.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC30	5348 bytes
SHA-256: `a10bb54ddd068a1fcdde1140c744d020edf58af97c127759f25a22094db369bc`
`font_01_sfnt_off00010e32.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E32	10776 bytes
SHA-256: `1f3b486dc5e51f4f416faca8747fb0b3e254a9abbd5a8c6092bc449588eb6824`
`font_02_sfnt_off00013302.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13302	4324 bytes
SHA-256: `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`

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