PDF malware analysis — malicious · 1d2967063fbeb28e

MALICIOUS

PDF

47.2 KB Created: 2020-10-16 22:15:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15

MD5: a34f75f6987924e6744a1d38fa3c4d4b SHA-1: bab1f0c83bade62458e573bcfaea875d80c84b2e SHA-256: 1d2967063fbeb28ed4e7ce53aef117c8e13883eb0a447744533c117d1cd8beda

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://ggtraff.ru/strik?keyword=m5+fast+and+furious+4 In PDF document text
- https://cdn-cms.f-static.net/uploads/4365652/normal_5f8709936604b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366302/normal_5f896649ad402.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367961/normal_5f89f0a491c99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368991/normal_5f88cf8fbf5b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371812/normal_5f88897ed6541.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369504/normal_5f87df8ce9c87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f870a23b5969.pdfIn PDF document text
- https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/bufubamosariram.pdfIn PDF document text
- https://fagisidide.weebly.com/uploads/1/3/2/6/132682833/1a9652b3b9c.pdfIn PDF document text
- https://naxesitigas.weebly.com/uploads/1/3/0/7/130740165/nijokeg.pdfIn PDF document text
- https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/zuguvubomawa.pdfIn PDF document text
- https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/3809296.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/a753da97-b689-4c5b-9065-f23b30d1fb06/dekima.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e026585d-d551-4585-82ea-c77e9876e3c5/76458608819.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59a0c25a-32f7-4c8a-a66f-869039f2adcc/82157338125.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69b93968-e9ec-4cc2-b5ee-843e4e325f47/4630108524.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02b6f2b3-8522-46ed-b8dc-f5f441b0e2da/37630009652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9744/6818/files/moen_shower_head_a112.18.1m_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/4496/6047/files/geometry_dash_2.0_apksum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/6632/6677/files/pelvic_floor_massage_therapist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8953/6177/files/adriana_midnight_in_paris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/5460/7777/files/zalewugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/2209/3983/files/words_that_begins_with_ph.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005d0f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D0F	5084 bytes
SHA-256: `6ddd02427c9e738ec69164bde9b87475022a0b836912b2a5466c37c62cd7acde`
`font_01_sfnt_off00006e70.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E70	14020 bytes
SHA-256: `db3f5fc303a1b099858524969ef7e10bc5d65cf1974630bcfc6d6aa5c324720a`
`font_02_sfnt_off00009a29.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A29	16204 bytes
SHA-256: `e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15`

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