PDF malware analysis — malicious · cd9e1d0223c25452

MALICIOUS

PDF

58.7 KB Created: 2020-10-27 03:42:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-01

MD5: 98cf1125033e5d6962b331004cc11dc3 SHA-1: 63d10652acca2b52f177b9384eb7de6d3f26af9e SHA-256: cd9e1d0223c25452f792800aecf9074ac16f89b633bfdbaf1b19c775b3009cbb

184 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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.me/123?keyword=sony+icd-ux533+manual In PDF document text
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/7904132.pdfIn PDF document text
- https://bibeliki.weebly.com/uploads/1/3/0/7/130738572/6718811.pdfIn PDF document text
- https://jazaxalik.weebly.com/uploads/1/3/4/4/134488577/6f159.pdfIn PDF document text
- https://pejopazuzaguwoz.weebly.com/uploads/1/3/2/8/132815183/d02f4832501683.pdfIn PDF document text
- https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/gugev.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368221/normal_5f939d95c5338.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408170/normal_5f9261303848e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383804/normal_5f95ab2d7b0c2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369782/normal_5f8ac4f39eb26.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/d881e7f8-74e7-4c5e-a6eb-ed0a635efb3d/62300576143.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/718459b2-ddf6-4bff-b78f-6885080cea3b/kingdom_hearts_final_mix_new_heartless.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b3d6ceac-90f5-4e12-b97d-31eaf423c7d8/xakawuseb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d767ca51-d234-42ba-879a-83d94257cb30/5259350284.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39e44486-912d-453b-966a-e372ff3d4bd0/52976142109.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/xazumuwavevupazatape.pdfIn PDF document text
- https://s3.amazonaws.com/suximawo/88511926503.pdfIn PDF document text
- https://s3.amazonaws.com/zarelusipofox/xudezirevav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1291/4332/files/30860255676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8154/6390/files/oracin_para_que_me_busque_inmediatamente.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0504/9614/3552/files/antimanual_de_filosofia_michel_onfray.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/8494/6850/files/patterns_worksheets_grade_4.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_006_off0000b460.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xB460	23420 bytes
SHA-256: `722837cc04b0e576e2b8764d2605689dc1c7f5c238dc5f34c4416cc69bb7335e`
`font_00_sfnt_off00007e0c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E0C	5404 bytes
SHA-256: `f77353cfa142ccea9efedb3aeb0714f07147d8f541e6e84709bb1febb44aad4e`
`font_01_sfnt_off00009063.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9063	10856 bytes
SHA-256: `0ff776bcfd1023a4852aa4fbdc21a47f27f8cb9c207ec33aa33d4c5bc922bf50`

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