PDF malware analysis — malicious · 9ceeba7acd36f142

MALICIOUS

PDF

39.3 KB Created: 2020-11-08 13:53:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15

MD5: 08269fd70c71fca46c4cf237cfbb5d3d SHA-1: 038a8e501daff5031e625f9c3afee60ffd87de5f SHA-256: 9ceeba7acd36f142fcef06e7ecf84db13f842842e6b81cb6fad6286843b29fd7

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/aws?keyword=2013+ap+calculus+ab+free+response+answers PDF link annotation
- https://diwejixa.weebly.com/uploads/1/3/4/6/134629966/3889579.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366346/normal_5f8c189060f24.pdfIn PDF document text
- https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/pajaji_tumovupevojene.pdfIn PDF document text
- https://tolafapod.weebly.com/uploads/1/3/4/4/134486806/sojalebusidiw.pdfIn PDF document text
- https://mazazogadof.weebly.com/uploads/1/3/4/3/134374066/xasotufetekokimevoxi.pdfIn PDF document text
- https://fexejolimoti.weebly.com/uploads/1/3/4/1/134131812/lesegepedo_gagemolosepamap.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/67b138e8-eb36-4fd5-a7c4-89fb46a45c63/lodoxalemitikofidul.pdfIn PDF document text
- https://s3.amazonaws.com/zupenafud/concatenate_list_python_numpy.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/6327078647.pdfIn PDF document text
- https://s3.amazonaws.com/rokuwapesu/ie11_acrobat_reader_dc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b85db69-de62-43ad-b745-501358269852/shelter_harlan_coben.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/sanamifepudujeju.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_off0000598c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x598C	5636 bytes
SHA-256: `b811553f05a019f529ce8f749ab3416f68564db7925a80f69c3d6db62776555c`
`font_01_sfnt_off00006cdb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CDB	10432 bytes
SHA-256: `3d0fa603a72d1a911b13554a0dd7a0af02c1d010e24545ddece3a8c042046d05`

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