Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b3b4f7ae7e6142d…

MALICIOUS

PDF

39.7 KB Authoring application: PDFBox First seen: 2026-05-08
MD5: 6068d48416cab63c15aca67095d3aa66 SHA-1: 4327fd3b5fd41b80b6277d163e3afc5748052f94 SHA-256: 1b3b4f7ae7e6142d4b9eb5aa6fc3fe1c8adda5bf031d0d7f812f5c6d07c82e79
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains an embedded JavaScript stream and a large number of external PDF links, indicating a potential phishing or SEO manipulation campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The primary attack pattern involves directing users to a farm of external PDF documents hosted on various domains.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
    A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://boluwixoliwuxuj.weebly.com/uploads/1/3/0/5/130544034/7f811485f.pdf In PDF document text
    • http://theeldqueen.com/uploads/1/3/0/5/130589281/3648333.pdfIn PDF document text
    • http://preshilmyparts.com/uploads/1/3/0/4/130488163/vuwibawasonoxuda.pdfIn PDF document text
    • https://dagefaseditakaf.weebly.com/uploads/1/3/0/4/130476143/90efba6f5b7ca9.pdfIn PDF document text
    • http://lex.audiostart10.icu/uploads/2020/01/28/0e88811aed321b.pdfIn PDF document text
    • http://patojidem.borauto-vikingi.online/uploads/2020/01/27/rinawelotezusojekeko.pdfIn PDF document text
    • http://michelle-endoflifedoula.com/uploads/1/3/0/4/130483564/pafufinezegobum_wogasujisabev_kuremipojuxakul.pdfIn PDF document text
    • http://xir.cloudycherry.net/uploads/2020/01/28/fevazu.pdfIn PDF document text
    • https://fimemevele.weebly.com/uploads/1/3/0/4/130490181/sowilotomowirugo.pdfIn PDF document text
    • http://mmearnold.weebly.com/uploads/1/3/0/6/130604666/geritobimonafuzibi.pdfIn PDF document text
    • http://transformationhandbook.com/uploads/1/3/0/3/130323375/6968004.pdfIn PDF document text
    • http://snohomishdrivingrange.com/uploads/1/3/0/4/130478760/vuwikuriwolam.pdfIn PDF document text
    • https://jorenukapejosi.weebly.com/uploads/1/3/0/4/130476288/044e664.pdfIn PDF document text
    • http://lobutela.onlineevents.tech/uploads/2020/01/28/3205507.pdfIn PDF document text
    • http://rusawaso.creamzdorow.ru/uploads/2020/01/27/tawewemotimizi.pdfIn PDF document text
    • https://kezubulenijeni.weebly.com/uploads/1/3/0/3/130323220/pekunuxiwake.pdfIn PDF document text
    • http://kazan-mice.ru/uploads/2020/01/27/956b1d2800660.pdfIn PDF document text
    • http://neufeldvolk.com/uploads/1/3/0/3/130323430/votakobukixerekoxis.pdfIn PDF document text
    • http://myjeshop.com/uploads/1/3/0/2/130288962/2edc3dad.pdfIn PDF document text
    • http://schwallerspainting.weebly.com/uploads/1/3/0/5/130539496/goxuwinovuder.pdfIn PDF document text
    • http://mindfullmug.com/uploads/1/3/0/4/130479123/9372848.pdfIn PDF document text
    • http://clucktruckportland.com/uploads/1/3/0/6/130622083/130622083.html#lower+stomach+pain+pregnancy+symptomIn PDF document text

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000164a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x164A 7744 bytes
SHA-256: 1b54174b0ab47a259024750af2b7ede970e31cdd8377e149424117800dc902b2

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