Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b56b5829a40d2ab…

MALICIOUS

PDF

65.2 KB Created: 2021-03-20 08:47:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 6ce02355531e9704aeb40aa063e36d4b SHA-1: 7c1783dc2ec3bce1acde5e419b0a8c13c56b3b94 SHA-256: 4b56b5829a40d2ab5715baad79bceb58e4f15ba22d99dbca42aca21cacb12a89
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a PDF file flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL `https://dafemum.ru/award?keyword=aspen+plus+user+guide+pdf` is identified as a malicious redirector. While no scripts were extracted, the PDF structure and the malicious URL strongly suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6507

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://dafemum.ru/award?keyword=aspen+plus+user+guide+pdf In PDF document text
    • http://form-lnstagramcopyrightservices.com/682828155281d55y.pdfIn PDF document text
    • http://faketikus.22web.org/disomuta.pdfIn PDF document text
    • http://upsbox.ru/teweravexugiu8vkq.pdfIn PDF document text
    • http://islta.fun/stephen_king_desperation_movie_trailer9vefj.pdfIn PDF document text
    • http://wssummer.space/9674455582523eif.pdfIn PDF document text
    • http://trokot-new.online/lubuvafamowoxixutolijb3och.pdfIn PDF document text
    • http://igcopyrightclient.com/todebofijanedekaroxizgxdl.pdfIn PDF document text
    • http://takovod.66ghz.com/50493360065.pdfIn PDF document text
    • https://cdn.sqhk.co/konosoka/d22iijf/89151792012.pdfIn PDF document text
    • http://klosheff.xyz/sentry_call_blocker_ct-cid808s31n0.pdfIn PDF document text
    • https://cdn.sqhk.co/winogolelog/ak3NB9t/fitbit_sense_black_friday.pdfIn PDF document text
    • http://solent.bar/monkey_king_3_netflix_release_dateie1wr.pdfIn PDF document text
    • http://italywow.info/neil_gaiman_books_reading_order7hkg2.pdfIn PDF document text
    • http://ritual-venki.online/163789761192l2iq.pdfIn PDF document text
    • https://cdn.sqhk.co/vimewiki/jiihjaD/86318890079.pdfIn PDF document text
    • http://vazorilumi.epizy.com/22411679961.pdfIn PDF document text
    • https://s3.amazonaws.com/lanaladu/xavuxepu.pdfIn PDF document text
    • https://s3.amazonaws.com/toguvaju/tixoxoz.pdfIn PDF document text
    • https://s3.amazonaws.com/gelawiweza/79587836888.pdfIn PDF document text
    • https://s3.amazonaws.com/woneketelak/62370049936.pdfIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/new_audit_report_isa_700.pdfIn PDF document text
    • http://gonuzalujulogab.rf.gd/99299422553.pdfIn PDF document text

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