PDF malware analysis — malicious · 504fce6f8d13d4d4

MALICIOUS

PDF

79.8 KB Created: 2021-03-19 21:02:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 9d253dcbd7cccce3005630ed9dabb620 SHA-1: 9f44e23a66ccfd82519bed255d8cf8ae72970840 SHA-256: 504fce6f8d13d4d4c12c9cc265a681e90d04f9ccf86b6786fc518e979c7d98bc

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, disguised with a seemingly relevant search query. The PDF structure and embedded content suggest it's designed to exploit user curiosity or a perceived technical issue to drive traffic to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://jumiwimov.ru/strik?utm_term=how+to+fix+zoom+speaker+problem PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367940/normal_6022a5839764a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477408/normal_602afd107eeb0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393890/normal_601c7267267f4.pdfIn PDF document text
- http://idclick.cash/bajirao_mastani_movie_download_mp4_filmywapzgj40.pdfIn PDF document text
- http://daating19.site/definitions_of_education_by_different_scholarsu13vb.pdfIn PDF document text
- http://cashbackk.site/sexupevanefidosusot0g61y.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469136/normal_5fcc3a9ed7813.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387562/normal_5ff7d44b9524c.pdfIn PDF document text
- http://storeplus.info/85840751869v7pan.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/7d550f25-2c77-4518-95f0-20a637cd2629/lebewewajevukinugonim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/810a9396-35c7-4956-9f35-5cd7765164f9/mamejijuperanibubuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aaacfb6d-22fa-4804-9599-4567997bbe5f/stock_market_open_monday_dec_28.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/468864a7-973f-44d1-8ccb-fc9b439e1aa1/what_is_big_data_analytics_quora.pdfIn PDF document text
- https://s3.amazonaws.com/lebaxa/31329703027.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea6b81a0-5533-4dc6-a81e-6cfad9302b03/orbit_easy_dial_sprinkler_controller_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26c9d6f8-fc0c-43d1-80ee-03beb678b2e1/tearoom_trade_study.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6bbd5a23-30bc-4688-b48a-c5132961a24b/a_void_contract_is_a_contract_which_mcq.pdfIn PDF document text
- https://s3.amazonaws.com/tufujifinobiro/windows_10_iso_file_2019_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c870ff0-7e00-49e3-bcc9-c578a8b899e9/iso_22000_clauses_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/387a659f-1437-4686-9786-2ae25998c70a/stairway_to_heaven_tattoo_forearm.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ecbb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xECBB	5104 bytes
SHA-256: `848e7521addf1b8f28440f4f183ec8553f32e970028ff750d66a89b89838b426`
`font_01_sfnt_off0000fe2f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE2F	10564 bytes
SHA-256: `1e4a6b0892be6d542b9a3e0b30d020ce7272e81f3d13d5c7fc07a4470bdc05dc`
`font_02_sfnt_off00012265.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12265	4324 bytes
SHA-256: `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`

Open this report in the interactive analyzer, or submit your own file for analysis.