PDF malware analysis — malicious · 984ed30c9dee85d4

MALICIOUS

PDF

79.1 KB Created: 2021-02-15 11:23:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02

MD5: b82096b9f6a444eeee73ec3531e3bdce SHA-1: 9b54bfaa1d57efd87af20c8d9b9cdc70b6f66b71 SHA-256: 984ed30c9dee85d4dda0cb47a9bc7903f980bdc81900d8af9154cfccb37c6607

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, and multiple other URLs that are likely part of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9956

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://leonvi.ru/wix?keyword=scp+999+new+job PDF link annotation
- https://wuluvaxezipow.weebly.com/uploads/1/3/5/3/135393263/4469714.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410013/normal_5fe6189772a24.pdfIn PDF document text
- https://cdn.sqhk.co/mojupesonon/fifghFz/80251985165.pdfIn PDF document text
- http://loveantravel.xyz/3628049273ac1nx.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403141/normal_5fe2947d928eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383452/normal_5fe7e9c026732.pdfIn PDF document text
- https://zekorawuj.weebly.com/uploads/1/3/4/8/134862422/db0261.pdfIn PDF document text
- https://cdn.sqhk.co/webunojixisa/aAS0Cmq/7615115575.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dazinibonofobi/fedex_label_template.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
- 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_off0000e59b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE59B	4980 bytes
SHA-256: `826babf402f191b50261a0a56bcd945af49ba2e5bec9d2bfad21ce6f71e7b3ba`
`font_01_sfnt_off0000f6ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6BA	10428 bytes
SHA-256: `bfe65faa604f477e732faf2c29c8657726d3eadfca8c0bc5c1641ef38a7c7cb7`
`font_02_sfnt_off00011a8e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11A8E	16144 bytes
SHA-256: `2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174`

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