PDF malware analysis — malicious · 067bba7b97b08ea1

MALICIOUS

PDF

42.0 KB Created: 2020-11-05 08:39:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14

MD5: 3fa6276607fbbc79aa553b6241aa1eb5 SHA-1: 34220b3aeef7f8cdb81174cbcf5338d958555c3c SHA-256: 067bba7b97b08ea127c8d8b04e2d533884bfcfcde5cd204a0537c3db3a809043

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains embedded URLs that redirect to a known malicious domain, disguised as news content. The ML classifier strongly flagged this PDF as malicious, and the embedded URL heuristic confirms it links to a redirector. While no scripts were explicitly extracted, the PDF structure itself likely facilitates the redirection, potentially using JavaScript for obfuscation or execution.

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://ggtraff.ru/aws?keyword=fantasy+football+news+2020 In PDF document text
- https://sopoxovolofu.weebly.com/uploads/1/3/4/5/134509961/276038.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/zetare/xutojidanijeboxenapatexaf.pdfIn PDF document text
- https://s3.amazonaws.com/tobojelusiwi/gi_gi_lm_chiu_2_full.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fbaffb4f-ce32-4be7-85c8-134d0dbcd63e/bullfrog_at_magnolia_circle.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/xifudotosemidonotaxa.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/gidagonadegoradezoriwuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9506/4733/files/ace_fishing_hack_coral.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b23603f-d80f-4f1c-a8b9-7b0257977c10/17131254928.pdfIn PDF document text
- https://s3.amazonaws.com/kelukakeb/87422932412.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/28494150217.pdfIn PDF document text
- https://s3.amazonaws.com/fojaxexino/pengertian_barisan_dan_deret.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_off00006493.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6493	5228 bytes
SHA-256: `fa0c0f26bec797ff485fb9c2165f37574a6804a33cf2c68c296d46960627f5d6`
`font_01_sfnt_off0000768d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x768D	11488 bytes
SHA-256: `fba9e47f993907b85558a2ed178ddf750212a8f06ed95644824b581c2251c798`

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