PDF malware analysis — malicious · 6e25f65bea4c70c5

MALICIOUS

PDF

95.3 KB Created: 2021-05-29 22:02:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 1c7c302fd3b27adea61b2febb5e37b75 SHA-1: cd111bfa3b3a4115676b26a127b3e8dd2d65b933 SHA-256: 6e25f65bea4c70c5cc4ba65894aafa8d11bd91096950b2ad0876ffe13444dd94

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ClamAV and an ML classifier, and it contains a large number of external links, indicating a link farm or phishing attempt. One of the embedded URLs, 'https://resalured.ru/123?utm_term=ammi+ammi+ammi+kannada+song', is particularly suspicious. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it's designed to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://resalured.ru/123?utm_term=ammi+ammi+ammi+kannada+song PDF link annotation
- https://pibepiramizenat.weebly.com/uploads/1/3/4/7/134735255/jijeloluk_lubojolagizufuj_vegulo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456984/normal_5ffb3a08014a9.pdfIn PDF document text
- https://zalirusupu.weebly.com/uploads/1/3/4/5/134516706/nikipivitule-veguvanorif.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393503/normal_5fd0eae236ecf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468814/normal_600ae68737aed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373509/normal_5ffb71224e900.pdfIn PDF document text
- https://borerejo.weebly.com/uploads/1/3/4/0/134040615/ea422f.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/faa2e0cc-43af-4a84-b7ca-7c43d2766cf7/download_film_fifty_shades_darker_full_movie_subtitle_indonesia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf949bfc-9161-4744-b6db-e485885ee510/literary_devices_in_romeo_and_juliet_act_4_scene_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbd22b33-8207-45ba-9970-f09068ca86ec/biwalometexoxokiwojepi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/169ab556-fa67-482a-bbde-98c7fff9f67e/wiley_nise_solutions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fece44a6-4f10-4097-9427-da07e8337557/how_to_answer_nclex_pn_style_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee25220e-aa88-44cc-ac91-e67aec7581ba/xokifavivogesiketad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f305836-321b-4c23-b2af-d7ac03f5438a/rikajukapafozowutiripe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7213ceea-b4fc-417f-9dc0-eddc2ff19833/do_self_reading_tarot_cards.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/853a33e4-62f2-4e1f-a050-57894633718f/how_to_draw_a_body_girl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd401d2f-1755-4dda-9ed8-306a746b34b8/job_stress_index.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e99da808-685e-4946-b08f-0b46b81e7350/war_of_the_worlds_2_the_challenge_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2aaf6317-3ff0-4323-9295-32fc32dd9d84/39966839602.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1dea88a5-6c21-446f-bc23-e98f1abb07fd/31227791894.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
`stream_003_off00010041.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x10041	46420 bytes
SHA-256: `5b5ef6e958a43e4363dcbd991492e6ae4b799d150884c333088fa4807001c448`
`font_00_sfnt_off0000ef0e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF0E	5072 bytes
SHA-256: `b096a9b9d9fbf67d30e015b6469e1480ec6ffb1cc1682bfd6766415e2bb83960`
`font_02_sfnt_off00014d66.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14D66	10048 bytes
SHA-256: `3c3b0267adaef1b0e04a30dd3ee25f5926572c06d7a412c2082bd390584c3981`

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