PDF malware analysis — malicious · 65140d2af2b855dc

MALICIOUS

PDF

68.6 KB Created: 2021-01-21 23:42:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25

MD5: 5d8e448ec380cd045bc5473c331c0509 SHA-1: 8091938703b93cb011834c88a56a0bc75aad821c SHA-256: 65140d2af2b855dcd3503e0a9578b5e675c716cecf63a82b9360bcef438d32e9

66 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://jottigo.ru/123?utm_term=625+credit+score+reddit PDF link annotation
- https://cdn.sqhk.co/dolavalof/i8pf5kU/kimum.pdfIn PDF document text
- https://cdn.sqhk.co/kigifadarija/ibCib7n/cm_rewards_per_iphone.pdfIn PDF document text
- https://cdn.sqhk.co/kagalitisup/ji8gdAE/blood_and_glory_2_ios.pdfIn PDF document text
- https://cdn.sqhk.co/rawegili/hcjahgf/top_2000s_songs_playlist.pdfIn PDF document text
- https://cdn.sqhk.co/gajeneset/7hjSif1/79731677432.pdfIn PDF document text
- https://cdn.sqhk.co/lisutovudaf/hhfiggc/flip_flops_mens_leather.pdfIn PDF document text
- https://cdn.sqhk.co/fodibaniwe/XjjwigV/27448958298.pdfIn PDF document text
- http://kewisanoxiv.66ghz.com/todazofifabonunu.pdfIn PDF document text
- https://cdn.sqhk.co/tememukafosu/mYijmpL/64919279498.pdfIn PDF document text
- http://kabosimoligobe.iblogger.org/guidelines_for_asthma_management.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fukibas.epizy.com/30754613798.pdfIn PDF document text
- http://dewelimu.epizy.com/goldentree_asset_management_lp_annual_report.pdfIn PDF document text
- http://jijazofar.rf.gd/bjcp_exam_study_guide.pdfIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/81204747306.pdfIn PDF document text
- http://rawuwad.epizy.com/cds_exam_question_paper_2019.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_off0000cf43.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF43	5008 bytes
SHA-256: `7847d2e43a9b082df2b378915dd2ecdc3a91ac732eb3cd903b4b98ebbace1040`
`font_01_sfnt_off0000e05d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE05D	11028 bytes
SHA-256: `e3222750b1fb18f12f345f0411e4aa0546d6dc14ecf1c278da29be1f097641e8`

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