PDF malware analysis — malicious · 7a551b56aa3beeef

MALICIOUS

PDF

44.7 KB Created: 2020-11-07 08:46:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: 2bbdbea1e9be49c5da9ad23a6f0b438d SHA-1: 8189ba67095da7164cc3403078356c6c98b248c5 SHA-256: 7a551b56aa3beeefaf2746d67cdd5447f60b10e585e3e32a80f7fef61e5e42d8

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://trafficel.ru/123?keyword=floor+mounted+guide+for+barn+doors PDF link annotation
- https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/5694357.pdfIn PDF document text
- https://kuguzozivef.weebly.com/uploads/1/3/0/7/130739994/vosiderabelomagera.pdfIn PDF document text
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/dekefomivupe-kovak-talajonipa-fedebiraroz.pdfIn PDF document text
- https://gobexuxiwabi.weebly.com/uploads/1/3/4/3/134372757/4638225.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jivudiwori.files.wordpress.com/2020/11/tugofefe.pdfIn PDF document text
- https://jonitolatej.files.wordpress.com/2020/11/fossil_evidence_continental_drift_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/jadudusujuje/makum.pdfIn PDF document text
- https://s3.amazonaws.com/ropuba/orono_high_school_phone_number.pdfIn PDF document text
- https://fizafadolozu.files.wordpress.com/2020/11/31713389540.pdfIn PDF document text
- https://lukamukiza.files.wordpress.com/2020/11/atl_2006_movie_download.pdfIn PDF document text
- https://s3.amazonaws.com/sigobija/wujunot.pdfIn PDF document text
- https://s3.amazonaws.com/tesotiwapax/peluwovilefodigegemi.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_off00006da7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DA7	5320 bytes
SHA-256: `73b381e55ff7c036e19d5cda52fe52fa2c11efd91e880958f72c7d212ef98888`
`font_01_sfnt_off00007fab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FAB	11608 bytes
SHA-256: `784a24854211d25d24f421b4a2bc61a6636e0b1f837dfb48c5f73e6545defd6d`

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