PDF malware analysis — malicious · 435b8579dd4ec9cd

MALICIOUS

PDF

37.0 KB Created: 2020-11-05 00:52:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: c05b57c4ea57eb523e56ba961c9857bd SHA-1: 98c5abd56e66be8618f89b0f887e79cff0721948 SHA-256: 435b8579dd4ec9cded371d1dcb6bae3fa75b3ee8369dc3a95d5ee8102f87fe99

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector infrastructure, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URL suggest it is designed to redirect users to potentially malicious content, likely as part of a phishing or malware distribution scheme.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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://ttraff.club/123?keyword=grim+dawn+the+outcast+s+revenge In PDF document text
- https://cdn-cms.f-static.net/uploads/4372723/normal_5fa3305675ea0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387577/normal_5f90dffb9b60d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409095/normal_5f990449a9ac8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366659/normal_5f875b9400bc5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366354/normal_5f87795dbd561.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375207/normal_5f956e37c3991.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368493/normal_5f95a56406d39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370791/normal_5fa12682a70b5.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/wegugus/adjectival_prepositional_phrase_quiz.pdfIn PDF document text
- https://s3.amazonaws.com/subud/ludwig_angina_adalah.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8346691-1545-4dc5-ace1-86c8b14cc93d/96270158506.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_off00004e8c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E8C	5504 bytes
SHA-256: `9541c71eec2507707723b55f227518e51ac33d3d7afd00b12df9c3854caae169`
`font_01_sfnt_off0000612f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x612F	11228 bytes
SHA-256: `8ae9cd16b3594354337d5afc63b5e437a6d8b45ff538920f2e624f65ad4f4a79`

Open this report in the interactive analyzer, or submit your own file for analysis.