PDF malware analysis — malicious · e3d92b59bce91083

MALICIOUS

PDF

44.5 KB Created: 2020-10-31 12:36:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: c24c51e5dea3194f05593019dbd57d6d SHA-1: 1e0e4f5b2631e79b4e3b9a2429eaa243b0f29122 SHA-256: e3d92b59bce910831792490e8cbcb00e9872bae21e9dad7736200370134da50a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. It uses an urgency-based lure. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://gettraff.ru/aws?keyword=sodium+dodecyl+sulfate+boiling+point In PDF document text
- https://tanifovekula.weebly.com/uploads/1/3/1/3/131379991/cf3e6d.pdfIn PDF document text
- https://xadaxiwunitari.weebly.com/uploads/1/3/0/8/130814235/9ce58dce53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386842/normal_5f930e4a4942d.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/wonoti/wesawuwutozebezeregij.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/first_law_of_thermodynamics_mit.pdfIn PDF document text
- https://s3.amazonaws.com/luropi/mcgraw_hill_connect_managerial_accounting_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/85120125061.pdfIn PDF document text
- https://s3.amazonaws.com/ruzaganog/como_realizar_un_proyecto_de_vida_escrito.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/ganepezuvizaketa.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/72016197987.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006e80.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E80	5724 bytes
SHA-256: `70790b3f184ea38f01b522ebac4678e7db2a81bdf444a0afeff7a259ff905a70`
`font_01_sfnt_off000081fa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81FA	10348 bytes
SHA-256: `bc38a9427cbf00f9a21aae7c440d033a9ed2e103d0d3532d637347a91416c7d7`

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