Malicious PDF — malware analysis report

Static analysis result for SHA-256 84e247777d1424b3…

MALICIOUS

PDF

53.1 KB Authoring application: PDFedit
MD5: ea9a31d9f6e42881428e1423083febff SHA-1: bf89e4ac7acc182f8d539f79f218ae02e8c105cb SHA-256: 84e247777d1424b361561e5ee8c2695faa6d5519777dd7a2aa24df1e54aa2016
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This strongly suggests a phishing or scam campaign aiming to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://newtampatraillife.com/uploads/1/3/0/6/130620363/sekuter_kaferaxuzazu_vataxini_lanajez.pdf
    • http://www.msptohumboldtproducts.com/uploads/1/3/0/7/130775624/relir_wajebosotesaj_veribavaluxafax.pdf
    • http://global4xloan.com/uploads/1/3/0/2/130287463/fesus-mowedadegani-kofiwatexidavod-kuwopenobib.pdf
    • http://murraywhiteley.com/uploads/1/3/0/9/130969080/5766907.pdf
    • http://swintuitiveart.com/uploads/1/3/0/4/130484005/b66c6076c1e5.pdf
    • http://thetexasplug.com/uploads/1/3/0/3/130379146/02c72f.pdf
    • http://christianambulancenetwork.com/uploads/1/3/0/4/130478110/2602651.pdf
    • http://changeyourquestionschangeyourlife.com/uploads/1/3/0/5/130589035/tufakiwedawudug-rudozudidaso-tagebunoretafa.pdf
    • http://ducksnestdecoys.com/uploads/1/3/0/4/130435787/moxizexe.pdf
    • http://targetlc.com/uploads/1/3/0/3/130313114/novub.pdf
    • http://moderndayman.org/uploads/1/3/0/4/130488338/mulojonejukibun_buwuminiwi_viremixib.pdf
    • http://1n5th.com/uploads/1/3/0/5/130540714/2071039.pdf
    • http://missionepossibilehk.com/uploads/1/3/0/6/130620576/2945841.pdf
    • http://acgr.info/uploads/1/3/0/7/130775522/gezuvexibig.pdf
    • http://cardiffhomedesign.com/uploads/1/3/0/7/130739129/sugeweluk-lukalokagip.pdf
    • http://pixelpush.net/uploads/1/3/0/7/130776492/litopivawomitisafabu.pdf
    • http://whateverwelding.com/uploads/1/3/0/7/130740368/gofapebamipine_lejimazo_xuwolisukuk.pdf
    • http://hostmaster.deemaciephotography.co.uk/uploads/1/3/0/3/130313265/fubejaweti-ragen.pdf
    • http://kellyskreative.com/uploads/1/3/0/8/130874021/6655176.pdf
    • http://inhealthcarerealestate.com/uploads/1/3/0/4/130488451/c686c7841.pdf
    • http://www.designerin-sucht-technikjob.de/uploads/1/3/0/4/130435757/130435757.html#in+gamete+intrafallopian+transfer+%28gift%29+fertilization+occurs+in+quizlet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012c1.bin
3428a5affcc1eb9d35fe96dffcea93ffc9708f38d03549c4fdf24c33f8261590		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12C1 8308 bytes

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