PDF malware analysis — malicious · 97111be59f7eb155

MALICIOUS

PDF

72.2 KB Created: 2021-02-22 08:42:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: a703af3b9af773c4b88182ad4ae019e6 SHA-1: 928698c6d25796f7ac4968325349904857054143 SHA-256: 97111be59f7eb1554463d27a55cff06bdf5882dcec8c9586a8b88696d8dc6562

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. ClamAV detection and ML classification strongly indicate malicious intent. The presence of multiple external URLs suggests an attempt to redirect the user to malicious content.

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/123?utm_term=music+for+sight+singing+10th+edition+pdf+download PDF link annotation
- http://bazazodagipaju.22web.org/ragara.pdfIn PDF document text
- https://cdn.sqhk.co/tisufupujeli/aLlMXgd/vajiwasaxizonigub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502567/normal_601d440941f89.pdfIn PDF document text
- http://future-techno.ru/15356222957zr31j.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494433/normal_5fee9d073f290.pdfIn PDF document text
- http://6gusevshop.space/2737846763d294y.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413712/normal_5ff775314c53b.pdfIn PDF document text
- https://cdn.sqhk.co/bufudoraxala/hbXgdYE/dofuwifam.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/voropa/kaledu.pdfIn PDF document text
- https://s3.amazonaws.com/debiwelof/95559687339.pdfIn PDF document text
- https://s3.amazonaws.com/pubopelej/sanojoxi.pdfIn PDF document text
- https://s3.amazonaws.com/bubeto/65647988212.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_off0000cfcd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCFCD	5592 bytes
SHA-256: `fc0ca76a4259b5500db4892be1f1aab89c85c01758c843540a50edd9e880f3cc`
`font_01_sfnt_off0000e2e4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2E4	10132 bytes
SHA-256: `22e87520870a681b1e8e5021c97ceb04b2c207c15c7962713361793aa1d7c4a3`
`font_02_sfnt_off000105ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x105AD	4324 bytes
SHA-256: `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`

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