PDF malware analysis — malicious · cd98c0b45b56afe3

MALICIOUS

PDF

47.0 KB Created: 2020-10-29 08:01:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26

MD5: 25108879764d0b27510fc95d8840a5c0 SHA-1: 1442d8b9ffac77edbe1c55dd5d79d7b02ba3b7be SHA-256: cd98c0b45b56afe3d83539e32b49860ac624d0ec365ae2dd3c8f6907104a27ab

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, with a critical heuristic identifying it as a link farm pointing to malicious redirector infrastructure. The primary malicious URL identified is https://cctraff.ru/123?keyword=cartoon+shadow+game+answers. The document body, though heavily obfuscated, also contains this URL and other PDF links, suggesting an attempt to drive traffic to potentially harmful sites.

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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://cctraff.ru/123?keyword=cartoon+shadow+game+answers In PDF document text
- https://patelevenimo.weebly.com/uploads/1/3/1/4/131437444/4302934.pdfIn PDF document text
- https://lififamofupuge.weebly.com/uploads/1/3/4/3/134317858/6900879.pdfIn PDF document text
- https://fonaduwi.weebly.com/uploads/1/3/4/3/134366998/gigugu.pdfIn PDF document text
- https://kiteginizi.weebly.com/uploads/1/3/1/8/131871518/8cc807c53822.pdfIn PDF document text
- https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/3b0aae.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0505/4788/4217/files/embed_file_in_html_page.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2703/6322/files/freedom_writers_full_movie_free_download_in_hindi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/2406/2908/files/84451562131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0505/5935/2990/files/ladapumejorube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3355/9203/files/ejercicios_hernia_discal_lumbar.pdfIn PDF document text
- https://s3.amazonaws.com/daraniwekamidir/rutenowipoludojewimo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/744aa084-69eb-48eb-9d09-9686aa75e6a0/zavim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/758d7553-8154-48e3-aa20-aa2c8695d902/age_of_mythology_titans_download_meg.pdfIn PDF document text
- https://s3.amazonaws.com/jiguwuzobozobaz/bcom_computers_1st_year_books_in_english.pdfIn PDF document text
- https://s3.amazonaws.com/jedaxopopuko/bagozugeperirew.pdfIn PDF document text
- https://s3.amazonaws.com/fotojipifuzitul/xidote.pdfIn PDF document text
- https://s3.amazonaws.com/mafavuzenoliki/darawagebuwadisovo.pdfIn PDF document text
- https://s3.amazonaws.com/kewakuko/benchmark_advance_weekly_and_unit_assessments_grade_5.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/25038402779.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54e56cfb-026d-410b-84b9-eb9bb06a68fb/42242319890.pdfIn PDF document text
- https://s3.amazonaws.com/defipedibe/case_studies_in_nursing_ethics.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/gopujonopufod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a60c2f2-1e23-4d38-b344-f5a574e378e4/polaris_atv_manuals_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3756/4838/files/64150956844.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31c57b30-6d00-4335-8a37-94ad19dec0a5/cigarette_electronique_jwell_problem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0482/4622/7096/files/zinavejanufalukekuterab.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_off000076f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76F9	5204 bytes
SHA-256: `6779d6210f85248be802b0aba37a4a07a0002aeab96e2e10fd6870b8196717a2`
`font_01_sfnt_off0000888f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x888F	11344 bytes
SHA-256: `cae0e2106361fa225194650d855940d183a7a203ee5ad5d8d36c2fcf4ecc17db`

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