PDF malware analysis — malicious · 8e93932397ec24af

MALICIOUS

PDF

39.4 KB Created: 2020-11-08 02:07:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 37c2b0e7137efc1df5a2d81bc44f78da SHA-1: 764f87bcbda009ab3682912e5162ed935f107fae SHA-256: 8e93932397ec24affb0e215220719acfcebff77307afbe63dc1ae7b52c06e689

76 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
External URI info PDF_URI

PDF contains an external URL action
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://trafftec.ru/123?keyword=monkey+go+happy+5+stage+9+walkthrough PDF link annotation
- https://cdn-cms.f-static.net/uploads/4373522/normal_5f88c684b41f1.pdfIn PDF document text
- https://kutolimog.weebly.com/uploads/1/3/4/4/134435461/2223361.pdfIn PDF document text
- https://gewusepisegetu.weebly.com/uploads/1/3/4/4/134492884/dalalezubelarix.pdfIn PDF document text
- https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/senunobit_zadajilavidugi_gogolomepugi_filaramejowebuz.pdfIn PDF document text
- https://sejejuno.weebly.com/uploads/1/3/4/4/134447194/bepipekibesa.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/945991dc-9908-4776-a392-b8b4f4348d31/wivaxave.pdfIn PDF document text
- https://s3.amazonaws.com/golepe/3d_ripper_dx_11.pdfIn PDF document text
- https://s3.amazonaws.com/juliziwojatige/xubesojiranodoxenenisazif.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/83392886389.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/little_seagull_handbook.pdfIn PDF document text
- https://s3.amazonaws.com/zupenafud/green_lantern_full_movie_123_movies.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_off00005b9d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B9D	5624 bytes
SHA-256: `a098871e9be3b8ffcca5726d8cae6ec9bb3ef5607f4fc242532567f885d4d3ab`
`font_01_sfnt_off00006ee3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6EE3	9996 bytes
SHA-256: `f71120614f7546e12d3737a4078ba82cbb1187c86d0a56741e608cec470f834b`

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