PDF malware analysis — malicious · 67d70a0324f88944

MALICIOUS

PDF

36.6 KB Created: 2020-11-07 08:50:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: f62c40d5872af2faa81efd5c756ec96d SHA-1: caa90e5c26aca768fc99f01d516a28b1713e2c05 SHA-256: 67d70a0324f88944b23fafc642b075e33f9ea88ef6700213dece372420f1bf08

66 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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://trafffi.ru/aws?keyword=gpx+personal+cd+player+manual+pcb319b PDF link annotation
- https://diboboxu.weebly.com/uploads/1/3/4/3/134330346/836411.pdfIn PDF document text
- https://ritibamubube.weebly.com/uploads/1/3/1/4/131437410/bomegosumenojumez.pdfIn PDF document text
- https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/a54218c5c3a7eb0.pdfIn PDF document text
- https://febukorev.weebly.com/uploads/1/3/4/3/134325382/panaki_nibuziriv.pdfIn PDF document text
- https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/2422292.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/226219d4-77f3-476a-954a-167c2cb04d1d/68645841337.pdfIn PDF document text
- https://fusafob.files.wordpress.com/2020/11/5832454523.pdfIn PDF document text
- https://tafexoru.files.wordpress.com/2020/11/3294531957.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad063946-a635-4727-90a7-cb77847105c3/owners_manual_for_delonghi_air_conditioner.pdfIn PDF document text
- https://lonofoxov.files.wordpress.com/2020/11/75771685944.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f72c64f9-81fc-4d5e-bd92-3f6fb0f4dc18/carta_poder_en_blanco.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_off00004e15.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E15	5932 bytes
SHA-256: `3a3751aa2852dc1709ea7df7cfcc569e2be98abd06d76b5796a982fb1fd0ecc3`
`font_01_sfnt_off00006237.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6237	10376 bytes
SHA-256: `71282f24cda3643dce25cac0c7882486cdec748d3f8d338abda63f78d7cb3bc9`

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