Malicious PDF — malware analysis report

Static analysis result for SHA-256 951302827023e53c…

MALICIOUS

PDF

40.2 KB Authoring application: Mobipocket Creator
MD5: 9e16dfb72539f34ab4eb3036cdf7d5ca SHA-1: aa8352cadf20bfe2ed3708e87137b87b15665818 SHA-256: 951302827023e53c402c7f24de018c246d53948a7acfb567397910597255aa4d
150 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and a critical PDF_SEO_LINK_FARM rule indicating a large number of external links. The document body contains numerous URLs pointing to other PDF files, suggesting a link farm or a distribution mechanism for malicious content. The primary intent appears to be directing users to external resources, potentially for phishing or malware distribution.

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://repindicator.com/uploads/1/3/0/5/130589288/vamuvawusarulidof.pdf
    • http://bbeboutiquellc.com/uploads/1/3/0/5/130539597/7339198.pdf
    • https://devofalafuzami.weebly.com/uploads/1/3/0/5/130547659/8568732.pdf
    • http://canyonman.org/uploads/1/3/0/6/130605448/a832791322b5a70.pdf
    • http://mysifortenbery.com/uploads/1/3/0/5/130589228/8529758.pdf
    • http://dgias.pl/uploads/1/3/0/2/130274301/tuzibi.pdf
    • http://activatemelbourne.com.au/uploads/1/3/0/5/130551008/tetusakobisexijiliga.pdf
    • http://viktoria-karta.ru/uploads/2020/01/27/zavubuledud.pdf
    • http://mentalhealthorlando.com/uploads/1/3/0/6/130620185/42f97f2c98ca.pdf
    • https://xutejifolupo.weebly.com/uploads/1/3/0/2/130289186/bexabeseponivi-vewevutusa-pagija.pdf
    • https://jotubobomivudu.weebly.com/uploads/1/3/0/6/130605280/mozekogufizavubatero.pdf
    • http://mysticwolf.rocks/uploads/1/3/0/6/130605097/ceb097a.pdf
    • http://naturalacumen.com/uploads/1/3/0/4/130483844/kijonata.pdf
    • http://mufave.krweb.tech/uploads/2020/01/27/mubevefogikat-kulalufav-liwugujulumaza.pdf
    • http://paintingwithoutthenumbers.com/uploads/1/3/0/5/130551303/013e4fce484.pdf
    • https://tuberaveg.weebly.com/uploads/1/3/0/5/130589199/d078089.pdf
    • http://treasureoftheandes.com/uploads/1/3/0/3/130323422/a88b47db7b.pdf
    • http://normcosmetics.com/uploads/1/3/0/6/130622080/5d1a98.pdf
    • http://pereraholdings.com/uploads/1/3/0/2/130292104/2160752.pdf
    • http://ketozused.zerosanityservers.com/uploads/2020/01/28/luxato-waxupuj.pdf
    • http://biz.lourika.ru/uploads/2020/01/27/wifikifejugirajuge.pdf
    • http://thephenomenallife.com/uploads/1/3/0/2/130289327/130289327.html#embroidery+design+viewer+software+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000165e.bin
2c640e19cb93df9013a2c6e506ee71a44f2cee871eb282b96f94ab12dc0cd4f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x165E 8536 bytes

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