PDF malware analysis — malicious · eb564137a6af97c7

MALICIOUS

PDF

75.5 KB Created: 2021-03-19 09:27:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13

MD5: 65ec18f221e4e35f971e51bdbb3ef941 SHA-1: 5ce7c6a4600a8d604512406a9f059223c4beab54 SHA-256: eb564137a6af97c71632e9c6eabe76cdecfa3702472f75a6a3db975a7c63c964

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a lure related to Wi-Fi connection instructions, which is a common tactic for phishing or malware distribution. The presence of numerous external links, including one pointing to 'dijijesuwaxon.epizy.com/wafojefuvujoxalili.pdf', suggests a link farm or a mechanism for delivering further malicious content. ClamAV detection and ML classification strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

Heuristics 6

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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://midufefew.ru/wix?keyword=how+to+connect+wii+to+wifi+with+username+and+password PDF link annotation
- https://litisenos.weebly.com/uploads/1/3/1/0/131071047/fomuzowonabemab-pejaduzew-numufufona.pdfIn PDF document text
- https://nefolebar.weebly.com/uploads/1/3/4/4/134400051/mubivejulepex_zolixiruza_zonumixutifeso.pdfIn PDF document text
- https://wodokapiv.weebly.com/uploads/1/3/4/5/134584818/lejokiriw.pdfIn PDF document text
- https://noxazevoda.weebly.com/uploads/1/3/5/3/135348256/1510296.pdfIn PDF document text
- https://lemirupuzomive.weebly.com/uploads/1/3/2/8/132814022/sutafipigaveveg.pdfIn PDF document text
- http://megaparegeduze.iblogger.org/alfords_point_public_school_uniform.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dijijesuwaxon.epizy.com/wafojefuvujoxalili.pdfIn PDF document text
- https://s3.amazonaws.com/godoremitiwuja/36819463079.pdfIn PDF document text
- https://s3.amazonaws.com/sazixipame/cinderella_man_movie_dual_audio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7217765-5752-4d7b-b477-925c2dfdf559/30596955044.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7c863ad-40f1-4423-9834-58a4d740df4b/magic_chef_44_bottle_wine_cooler_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/satuja/81139485514.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/158f9d38-59f7-427f-91ef-d7e600672f2e/43629226940.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b436aaae-a7b5-4b87-b069-b1a486d25a18/how_to_day_trade_forex.pdfIn PDF document text
- https://s3.amazonaws.com/gozifep/beyblade_burst_gameplay.pdfIn PDF document text
- https://s3.amazonaws.com/gazijewevan/lixidimorowexepofijob.pdfIn PDF document text
- http://vebavibokifoko.epizy.com/49ers_injury_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/768d5939-4b9e-4693-ab88-81529aa293cf/8147596167.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82b1dd91-c3e5-408d-bb71-45f4625126d1/samsung_tv_black_screen_no_backlight.pdfIn PDF document text
- http://govuwetubor.epizy.com/guacamelee_2_ps4_trophy_guide.pdfIn PDF document text
- https://s3.amazonaws.com/dexodekelaseki/toronalesidazu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01ce82a2-dbaa-499b-88ad-07deb3b2189e/el_seor_de_las_moscas_resumen_pelicula_analisis_y_mas.pdfIn PDF document text
- https://s3.amazonaws.com/folexapurilowe/53884428008.pdfIn PDF document text
- https://s3.amazonaws.com/zidenigad/49863484136.pdfIn PDF document text
- http://pebejokepekizuz.rf.gd/game_black_clover_hienzo.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_off0000e8f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8F3	5416 bytes
SHA-256: `341299230ab689d6d06abedada097ca0ce422e33a9d5c0e230d400f1bb17b0e1`
`font_01_sfnt_off0000fb4b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB4B	10932 bytes
SHA-256: `2bd3adcad76a1238fca98841b314e7e5825c76011a94f8e6368d25a4cc7131df`

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