PDF malware analysis — malicious · 0ba3395769f0488e

MALICIOUS

PDF

42.7 KB Created: 2020-10-04 10:15:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15

MD5: cd1ddcf3a37bf94c79ea420fddf5fc84 SHA-1: bf1ae14d1773baea3b6dec08ff992a221e17f47f SHA-256: 0ba3395769f0488ecc7a48b8345f87de37052ebbc0ff8c45c9af512786066c48

124 Risk Score

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 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.ru/pify?keyword=correct+hand+signals+for+dog+training In PDF document text
- https://site-1038990.mozfiles.com/files/1038990/25487250034.pdfIn PDF document text
- https://site-1037138.mozfiles.com/files/1037138/46757263790.pdfIn PDF document text
- https://site-1040559.mozfiles.com/files/1040559/31871237475.pdfIn PDF document text
- https://site-1036649.mozfiles.com/files/1036649/pavasaburunubew.pdfIn PDF document text
- https://site-1037115.mozfiles.com/files/1037115/pomunefisarabopoxabafij.pdfIn PDF document text
- http://files.zumbacatherine.com/uploads/1/3/1/6/131636655/sobujijup-nedavidixipan-merowagu-vopameluf.pdfIn PDF document text
- http://files.ccbigeorgia.com/uploads/1/3/0/7/130739116/pugije.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/97c0b362-88fa-4dd6-b96d-df32066b937b/42861490389.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04cd7171-3ea9-40c8-9f47-c97061e39c1f/nijowixemelojapobuxadijuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88ab4ba8-520f-4de2-9d1d-23c47ad49d42/jiguboferemidegoxeman.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c933ecf8-956a-44ea-9ae3-8c030ae551cd/fogobana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bdb3f5c8-2b04-4c56-a736-b676b44f350f/zorokigija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1374/1471/files/58416831973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/1108/2912/files/pofisuzuxura.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_off00006a54.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A54	5188 bytes
SHA-256: `fda7c09c92193bee0f770b920a562a1e659defd29686eccd17fe4907d827e1a8`
`font_01_sfnt_off00007bf1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BF1	9944 bytes
SHA-256: `be88126e7eba409ee98b2273f385bcc823d2135bf2bb8a66400b9247ecfddb23`

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