Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed0ce76f8b97075d…

MALICIOUS

PDF

37.2 KB Authoring application: pstoedit First seen: 2021-05-29
MD5: 7fd6794fb1a6a5e2438cfebc8f6a8de8 SHA-1: 94105c017f2f0e78b1fe5953d370df2d27304461 SHA-256: ed0ce76f8b97075decdfc917e74caff3cf232682a7ed0b22590679322583c0b0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on Weebly. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution via these linked documents.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://kudurisila.weebly.com/uploads/1/3/0/4/130436285/3501843.pdf In PDF document text
    • https://liwemutogamaw.weebly.com/uploads/1/3/0/3/130323127/dawafoz-zugijova-vawogolulutigoj-dewuxikike.pdfIn PDF document text
    • https://rokovotikem.weebly.com/uploads/1/3/0/2/130272283/wononap_jibitobasol_lifoxel.pdfIn PDF document text
    • https://libodevaba.weebly.com/uploads/1/3/0/5/130543648/db99619c6.pdfIn PDF document text
    • https://xopumexuwal.weebly.com/uploads/1/3/0/4/130490687/296a8dd5928bb4.pdfIn PDF document text
    • https://sekubuliluvefaf.weebly.com/uploads/1/3/0/3/130379147/5707643.pdfIn PDF document text
    • https://jewuxigorakuwo.weebly.com/uploads/1/3/0/2/130272613/683ac95969.pdfIn PDF document text
    • https://wapudiwu.weebly.com/uploads/1/3/0/3/130379231/7625355.pdfIn PDF document text
    • https://nubawolokulula.weebly.com/uploads/1/3/0/4/130435757/benijozag-dewogawak-zivir-latapajijasak.pdfIn PDF document text
    • https://kamaxinefu.weebly.com/uploads/1/3/0/5/130538875/fegere_potug.pdfIn PDF document text
    • https://dezulatekamow.weebly.com/uploads/1/3/0/4/130435929/gilawiwofoj_repibep.pdfIn PDF document text
    • https://nikuzikagitiz.weebly.com/uploads/1/3/0/4/130488220/zafifawuzidonif.pdfIn PDF document text
    • https://kajofopim.weebly.com/uploads/1/3/0/2/130289367/cc30657a4.pdfIn PDF document text
    • https://nebakutasuliret.weebly.com/uploads/1/3/0/2/130289455/130289455.html#componentes+de+un+espectrometro+de+absorcion+atomicaIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13D1 8504 bytes
SHA-256: c3a8c104939ddfc7d8290bf80933792966b796a5b99ea9642e3ae3ff16c6132d

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