PDF malware analysis — malicious · 54b1d2a998d60cdb

MALICIOUS

PDF

95.6 KB Created: 2021-03-28 08:30:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25

MD5: 8054456d832428397180f84b77a2658f SHA-1: 2c6fef86a5c940399a895362ac8876902d88fa0d SHA-256: 54b1d2a998d60cdbe3a4e8e38a4cf3ccf606bbb9afaeefcc4c36c63821ec734a

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains heuristics indicating it is a link farm on disposable hosting, with a high ML score and ClamAV detection as a phishing trojan. The embedded URL points to a domain that is likely malicious, designed to trick users into visiting it. No scripts were extracted, but the overall structure and URL suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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://xajibur.ru/wix?keyword=cateye+velo+7+manual+francais PDF link annotation
- http://xubajaw.iblogger.org/wutujafog.pdfIn PDF document text
- http://fosireditoj.mygamesonline.org/appetites_a_cookbook.pdfIn PDF document text
- http://kejoxemubogese.mywebcommunity.org/young_living_compensation_plan_fast_start_bonus.pdfIn PDF document text
- http://xefawojuj.mygamesonline.org/poremoxer.pdfIn PDF document text
- http://pesuloduf.medianewsonline.com/ferien_baden_wrttemberg_2020.pdfIn PDF document text
- http://tatanip.medianewsonline.com/samsung_uhd_tv_65_inch_7_series_nu7100.pdfIn PDF document text
- http://pifofobexaxel.mypressonline.com/apprendre_le_franais_en_dialogue.pdfIn PDF document text
- http://xojitufos.66ghz.com/64425557806.pdfIn PDF document text
- http://pasozabijegigus.iblogger.org/basic_shapes_free_worksheets.pdfIn PDF document text
- http://viwesisikumebi.getenjoyment.net/14220772109.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/eae935d9-8fd1-4265-abb0-c2b10d2cd88e/lewoporikanam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1da22a94-cd74-49b8-9b6c-2745ac5f95d7/27200394145.pdfIn PDF document text
- http://masoxagami.epizy.com/a_level_physics_definitions.pdfIn PDF document text
- http://pupudewasoxo.epizy.com/how_to_reset_lg_washing_machine_top_loader.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7273b76f-059e-43f2-bc74-ecb63128aec7/how_to_fix_beko_washing_machine_door_lock.pdfIn PDF document text
- https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_ae06055f8e2c4da9b0ab1ca69b4f5545.pdf?index=trueIn PDF document text
- https://d54d55f4-8004-4613-9f19-7b96cbed0ae7.filesusr.com/ugd/ce4b32_12bb3c117f3e46968ac8254f4179cd9a.pdf?index=trueIn PDF document text
- https://ba789de2-c385-43ee-b32d-a34c698d1993.filesusr.com/ugd/b7082a_52b1efb546c34c739be68da2c99cd440.pdf?index=trueIn PDF document text
- http://bitediwufekoxem.epizy.com/technical_design_document_template_for_data_warehouse.pdfIn PDF document text
- http://wiwesokowam.epizy.com/gejunu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a71dbe17-4e25-440e-8f84-97cb863ad01f/how_to_do_cultural_mapping.pdfIn PDF document text
- https://ae0ecf71-49bb-4ac4-bba4-d0f2a20d1af9.filesusr.com/ugd/668a47_73490857079740c682a3d44398542f23.pdf?index=trueIn PDF document text
- http://sivopumifivak.epizy.com/chhota_bheem_tamil_episode.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_off00012cfe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12CFE	5172 bytes
SHA-256: `2c3b8eb27004ac534bd264a529a5f876e7d4d5508b3987c53dab7b8d6e214983`
`font_01_sfnt_off00013e90.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13E90	2112 bytes
SHA-256: `fd8d44d0f69248b56899d1270d9ce28a812a24ba3ce5d3d43bcb9e7cdb03c71a`
`font_02_sfnt_off000147c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x147C1	11740 bytes
SHA-256: `729502ccc94ac83d9af8d57d686ab6b09db599be6ebc2f4d9dfabdf47c1cd3a0`

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