Malicious PDF — malware analysis report

Static analysis result for SHA-256 6064fa913941394b…

MALICIOUS

PDF

79.4 KB Created: 2021-03-30 02:46:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 0a86733435df9a8622a0d0c74634fdae SHA-1: 506d1b75a5d6d2933bb9cb45f39b9fdafe7bc8d4 SHA-256: 6064fa913941394b19ad0e8ddf98794a935e0ae59166641d139841539e0cef97
156 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

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 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://jottigo.ru/award?keyword=telecharger+bescherelle+la+grammaire+pour+tous+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4474989/normal_5fd0dac61439b.pdfIn PDF document text
    • https://cdn.sqhk.co/zisujidixa/0ljb3gh/define_infected_synonym.pdfIn PDF document text
    • https://cdn.sqhk.co/botonerepap/nMjbOsp/noxajatexugatudobojegitib.pdfIn PDF document text
    • https://jodawozuwiki.weebly.com/uploads/1/3/1/4/131437728/47b52b.pdfIn PDF document text
    • https://jizawabule.weebly.com/uploads/1/3/5/9/135966138/9236477.pdfIn PDF document text
    • https://lizoduloto.weebly.com/uploads/1/3/4/7/134701777/0cef242708eb.pdfIn PDF document text
    • https://togawikanow.weebly.com/uploads/1/3/5/3/135320583/sigisigiwa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367947/normal_600c064e8b156.pdfIn PDF document text
    • https://xeresitemuja.weebly.com/uploads/1/3/5/3/135311884/zigilipipazo.pdfIn PDF document text
    • https://cdn.sqhk.co/wuzosiboweja/Rqiiieg/goxagovajuzosofusemebuk.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/33d47acc-af4f-4982-8895-90a99438fdb5/45864202053.pdfIn PDF document text
    • http://tinejamuwaki.epizy.com/catan_universe_apk_full.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/14a398f0-cad4-4f9f-8829-fcf94c10a3b6/68616610314.pdfIn PDF document text
    • https://s3.amazonaws.com/defipedibe/white_baby_grand_piano_for_sale_near_me.pdfIn PDF document text
    • http://rufiramomu.rf.gd/30333042392.pdfIn PDF document text
    • https://s3.amazonaws.com/miledu/vpn_proxy_master_unlimited_vpn_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/veledabejufi/30457101787.pdfIn PDF document text
    • https://s3.amazonaws.com/rurosaveruk/best_typing_games_for_pc_free_download_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/19754564013.pdfIn PDF document text
    • http://dabizoxirodili.rf.gd/how_to_control_temperature_on_brinkmann_smoker.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7D8 5660 bytes
SHA-256: cf3afba35e9e1db341e7960020136264b6730eebee306d24015d62a965928e8c
font_01_sfnt_off00010ade.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10ADE 11608 bytes
SHA-256: 5b34d208165c84d4d56eb1fa7c0da0f45762bfcf9b9c1e6c5bf674c3f5ab0d31

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